Ubuntu update for mysql-5.7

1) Improper input validation

EUVDB-ID: #VU49823

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2002

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Replication component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper input validation

EUVDB-ID: #VU49835

Risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2010

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to manipulate or delete data.

The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote authenticated user can exploit this vulnerability to manipulate or delete data.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper input validation

EUVDB-ID: #VU49805

Risk: Medium

CVSSv3.1: 5.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2011

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the C API component in MySQL Client. A remote non-authenticated attacker can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Improper input validation

EUVDB-ID: #VU49822

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2014

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: PAM Auth Plugin component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Improper input validation

EUVDB-ID: #VU49813

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2021

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Improper input validation

EUVDB-ID: #VU49828

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2022

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

7) Improper input validation

EUVDB-ID: #VU49804

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2024

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

8) Improper input validation

EUVDB-ID: #VU49815

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2031

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

9) Improper input validation

EUVDB-ID: #VU49834

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2032

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Information Schema component in MySQL Server. A remote authenticated user can exploit this vulnerability to gain access to sensitive information.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

10) Improper input validation

EUVDB-ID: #VU49816

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2036

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

11) Improper input validation

EUVDB-ID: #VU49829

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2038

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Components Services component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

12) Improper input validation

EUVDB-ID: #VU49802

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2046

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to a crash the entire system.

The vulnerability exists due to improper input validation within the Server: Stored Procedure component in MySQL Server. A remote privileged user can exploit this vulnerability to a crash the entire system.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

13) Improper input validation

EUVDB-ID: #VU49807

Risk: Medium

CVSSv3.1: 4.4 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2048

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to damange or delete data.

The vulnerability exists due to improper input validation within the InnoDB component in MySQL Server. A remote privileged user can exploit this vulnerability to damange or delete data.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

14) Improper input validation

EUVDB-ID: #VU49831

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2056

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: DML component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

15) Improper input validation

EUVDB-ID: #VU49810

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2058

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Locking component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

16) Improper input validation

EUVDB-ID: #VU49818

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2060

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

17) Improper input validation

EUVDB-ID: #VU49830

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2061

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: DDL component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

18) Improper input validation

EUVDB-ID: #VU49821

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2065

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

19) Improper input validation

EUVDB-ID: #VU49819

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2070

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

20) Improper input validation

EUVDB-ID: #VU49826

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2072

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Stored Procedure component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

21) Improper input validation

EUVDB-ID: #VU49820

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2076

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Optimizer component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

22) Improper input validation

EUVDB-ID: #VU49827

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2081

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: Stored Procedure component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

23) Improper input validation

EUVDB-ID: #VU49832

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2087

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: DML component in MySQL Server. A local privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

24) Improper input validation

EUVDB-ID: #VU49833

Risk: Low

CVSSv3.1: 3.9 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2088

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: DML component in MySQL Server. A local privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

25) Improper input validation

EUVDB-ID: #VU49809

Risk: Medium

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2122

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper input validation within the Server: DDL component in MySQL Server. A remote privileged user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Update the affected package mysql-5.7 to the latest version.

Vulnerable software versions

Ubuntu: 16.04 - 20.10

mysql-server-8.0 (Ubuntu package): before 8.0.23-0ubuntu0.20.10.1

mysql-server-5.7 (Ubuntu package): before 5.7.33-0ubuntu0.18.04.1

External links

http://ubuntu.com/security/notices/USN-4716-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

Risk	Medium
Patch available	YES
Number of vulnerabilities	25
CVE-ID	CVE-2021-2002 CVE-2021-2010 CVE-2021-2011 CVE-2021-2014 CVE-2021-2021 CVE-2021-2022 CVE-2021-2024 CVE-2021-2031 CVE-2021-2032 CVE-2021-2036 CVE-2021-2038 CVE-2021-2046 CVE-2021-2048 CVE-2021-2056 CVE-2021-2058 CVE-2021-2060 CVE-2021-2061 CVE-2021-2065 CVE-2021-2070 CVE-2021-2072 CVE-2021-2076 CVE-2021-2081 CVE-2021-2087 CVE-2021-2088 CVE-2021-2122
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Ubuntu Operating systems & Components / Operating system mysql-server-8.0 (Ubuntu package) Operating systems & Components / Operating system package or component mysql-server-5.7 (Ubuntu package) Operating systems & Components / Operating system package or component
Vendor	Canonical Ltd.