SUSE update for openssh



Published: 2024-02-23
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2023-51385
CWE-ID CWE-78
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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SUSE Linux Enterprise Server for SAP Applications 15
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15 SP2 LTSS
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 15
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 15
Operating systems & Components / Operating system

openssh-askpass-gnome
Operating systems & Components / Operating system package or component

openssh-askpass-gnome-debuginfo
Operating systems & Components / Operating system package or component

openssh-debugsource
Operating systems & Components / Operating system package or component

openssh-helpers
Operating systems & Components / Operating system package or component

openssh
Operating systems & Components / Operating system package or component

openssh-fips
Operating systems & Components / Operating system package or component

openssh-helpers-debuginfo
Operating systems & Components / Operating system package or component

openssh-debuginfo
Operating systems & Components / Operating system package or component

openssh-askpass-gnome-debugsource
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) OS Command Injection

EUVDB-ID: #VU84789

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-51385

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when processing user names, if a user name or host name has shell metacharacters, and this name is referenced by an expansion token in certain situations. A remote attacker can execute arbitrary OS commands via an untrusted Git repository.

Mitigation

Update the affected package openssh to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP Applications 15: SP2

SUSE Linux Enterprise Server 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise Server 15: SP2

SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS: 15-SP2

SUSE Linux Enterprise High Performance Computing 15: SP2

openssh-askpass-gnome: before 8.1p1-150200.5.46.1

openssh-askpass-gnome-debuginfo: before 8.1p1-150200.5.46.1

openssh-debugsource: before 8.1p1-150200.5.46.1

openssh-helpers: before 8.1p1-150200.5.46.1

openssh: before 8.1p1-150200.5.46.1

openssh-fips: before 8.1p1-150200.5.46.1

openssh-helpers-debuginfo: before 8.1p1-150200.5.46.1

openssh-debuginfo: before 8.1p1-150200.5.46.1

openssh-askpass-gnome-debugsource: before 8.1p1-150200.5.46.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20240603-1/


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. However, proof of concept for this vulnerability is available.



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