Multiple vulnerabilities in Oracle Solaris

Published: 2020-10-23 | Updated: 2021-12-26

Risk	Critical
Patch available	YES
Number of vulnerabilities	5
CVE-ID	CVE-2020-14759 CVE-2020-14818 CVE-2020-14754 CVE-2020-14758 CVE-2020-14871
CWE-ID	CWE-20
Exploitation vector	Network
Public exploit	Vulnerability #5 is being exploited in the wild.
Vulnerable software Subscribe	Oracle Solaris Operating systems & Components / Operating system
Vendor	Oracle

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

Updated: 03.11.2020

Raised severity for vulnerability #VU47887 due to its in the wild presence, update bulletin risk level from high to critical to reflect the change.

1) Improper input validation

EUVDB-ID: #VU47891

Risk: Low

CVSSv3.1: 2.2 [CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14759

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local authenticated user to manipulate data.

The vulnerability exists due to improper input validation within the Kernel component in Oracle Solaris. A local authenticated user can exploit this vulnerability to manipulate data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Solaris: 11

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?1428

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.

2) Improper input validation

EUVDB-ID: #VU47890

Risk: Low

CVSSv3.1: 2.6 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14818

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote authenticated user to manipulate data.

The vulnerability exists due to improper input validation within the Utility component in Oracle Solaris. A remote authenticated user can exploit this vulnerability to manipulate data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Solaris: 11

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?1428

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: #VU47889

Risk: Low

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

CVE-ID: CVE-2020-14754

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to improper input validation within the Filesystem component in Oracle Solaris. A local authenticated user can exploit this vulnerability to perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Solaris: 11

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?1428

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.

4) Improper input validation

EUVDB-ID: #VU47888

Risk: Low

CVSSv3.1: 4.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14758

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local authenticated user to read and manipulate data.

The vulnerability exists due to improper input validation within the Kernel component in Oracle Solaris. A local authenticated user can exploit this vulnerability to read and manipulate data.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Solaris: 11

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?1428

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.

5) Improper input validation

EUVDB-ID: #VU47887

Risk: Critical

CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-14871

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Pluggable authentication module (PAM) component in Oracle Solaris. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Note, this vulnerability is being actively exploited in the wild.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Oracle Solaris: 10 - 11

External links

http://www.oracle.com/security-alerts/cpuoct2020.html?1428

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.