SUSE update for xorg-x11-server

Published: 2022-11-02 | Updated: 2023-02-07

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-3550 CVE-2022-3551
CWE-ID	CWE-119 CWE-401
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE CaaS Platform Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system xorg-x11-server-sdk Operating systems & Components / Operating system package or component xorg-x11-server-extra-debuginfo Operating systems & Components / Operating system package or component xorg-x11-server-extra Operating systems & Components / Operating system package or component xorg-x11-server-debugsource Operating systems & Components / Operating system package or component xorg-x11-server-debuginfo Operating systems & Components / Operating system package or component xorg-x11-server Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU68415

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-3550

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the _GetCountedString() function in xkb/xkb.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.

Mitigation

Update the affected package xorg-x11-server to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 15-SP1

SUSE Linux Enterprise High Performance Computing: 15-SP1-LTSS - 15-SP1-ESPOS

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

SUSE Linux Enterprise Server: 15-SP1-BCL - 15-SP1-LTSS

xorg-x11-server-sdk: before 1.20.3-150100.14.5.28.1

xorg-x11-server-extra-debuginfo: before 1.20.3-150100.14.5.28.1

xorg-x11-server-extra: before 1.20.3-150100.14.5.28.1

xorg-x11-server-debugsource: before 1.20.3-150100.14.5.28.1

xorg-x11-server-debuginfo: before 1.20.3-150100.14.5.28.1

xorg-x11-server: before 1.20.3-150100.14.5.28.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223856-1/

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.

2) Memory leak

EUVDB-ID: #VU68416