SUSE update for xorg-x11-server

1) Heap-based buffer overflow

EUVDB-ID: #VU99493

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-2024-9632

CWE-ID: CWE-122 - Heap-based Buffer Overflow

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 XkbSetCompatMap() function in xkb/xkb.c. A local user can pass a specially crafted bitmap to the X.Org server, trigger a heap-based buffer overflow 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 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise High Performance Computing LTSS 15: SP4

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4

SUSE Linux Enterprise Desktop 15 SP4 LTSS: 15-SP4

SUSE Linux Enterprise Server for SAP Applications 15: SP4

SUSE Linux Enterprise Server 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

openSUSE Leap: 15.4

xorg-x11-server: before 1.20.3-150400.38.51.1

xorg-x11-server-extra: before 1.20.3-150400.38.51.1

xorg-x11-server-debugsource: before 1.20.3-150400.38.51.1

xorg-x11-server-extra-debuginfo: before 1.20.3-150400.38.51.1

xorg-x11-server-debuginfo: before 1.20.3-150400.38.51.1

xorg-x11-server-source: before 1.20.3-150400.38.51.1

xorg-x11-server-sdk: before 1.20.3-150400.38.51.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_ltss_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_espos_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15_sp4_ltss:15-SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:a:suse:xorg-x11-server:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xorg-x11-server-extra:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xorg-x11-server-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xorg-x11-server-extra-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xorg-x11-server-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xorg-x11-server-source:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:xorg-x11-server-sdk:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2024/suse-su-20243866-1/

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.