Multiple vulnerabilities in Oracle Database Server



Published: 2021-10-19
Risk Medium
Patch available YES
Number of vulnerabilities 8
CVE-ID CVE-2021-35576
CVE-2021-35558
CVE-2021-35557
CVE-2021-35551
CVE-2021-2332
CVE-2021-35619
CVE-2021-25122
CVE-2021-35599
CWE-ID CWE-20
CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Oracle Database Server
Server applications / Database software

Vendor Oracle

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Improper input validation

EUVDB-ID: #VU57469

Risk: Low

CVSSv3.1: 2.4 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35576

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to manipulate data.

The vulnerability exists due to improper input validation within the Oracle Database Enterprise Edition Unified Audit in Oracle Database Server. A remote privileged user can exploit this vulnerability to manipulate data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2 - 19c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

2) Improper input validation

EUVDB-ID: #VU57468

Risk: Low

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

CVE-ID: CVE-2021-35558

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform service disruption.

The vulnerability exists due to improper input validation within the Core RDBMS in Oracle Database Server. A remote authenticated user can exploit this vulnerability to perform service disruption.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2 - 21c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

3) Improper input validation

EUVDB-ID: #VU57467

Risk: Low

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

CVE-ID: CVE-2021-35557

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to perform service disruption.

The vulnerability exists due to improper input validation within the Core RDBMS in Oracle Database Server. A remote authenticated user can exploit this vulnerability to perform service disruption.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2 - 21c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

4) Improper input validation

EUVDB-ID: #VU57466

Risk: Medium

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35551

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 RDBMS Security in Oracle Database Server. A remote privileged user can exploit this vulnerability to damange or delete data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.2.0.1 - 21c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

5) Improper input validation

EUVDB-ID: #VU57465

Risk: Medium

CVSSv3.1: 5.8 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-2332

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Oracle LogMiner in Oracle Database Server. A remote privileged user can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2 - 19c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

6) Improper input validation

EUVDB-ID: #VU57464

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35619

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Java VM in Oracle Database Server. A remote authenticated user can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.1.0.2 - 21c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

7) Resource management error

EUVDB-ID: #VU51014

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25122

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper management of internal resources within the application when processing new h2c connection requests. A remote attacker can send specially crafted requests to the server and obtain contents of HTTP responses, served to other users.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 12.2.0.1 - 21c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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

8) Improper input validation

EUVDB-ID: #VU57463

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35599

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local privileged user to execute arbitrary code.

The vulnerability exists due to improper input validation within the Zero Downtime DB Migration to Cloud in Oracle Database Server. A local privileged user can exploit this vulnerability to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Database Server: 21c

External links

http://www.oracle.com/security-alerts/cpuoct2021.html?1408


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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