SUSE update for emacs

1) Exposed dangerous method or function

EUVDB-ID: #VU101890

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-53920

CWE-ID: CWE-749 - Exposed Dangerous Method or Function

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper input validation in elisp-mode.el. A remote attacker can trick the victim into invoking elisp-completion-at-point (for code completion) on untrusted Emacs Lisp source code, trigger unsafe Lisp macro expansion and execute arbitrary code on the system.

Mitigation

Update the affected package emacs to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server 15 SP4: LTSS

SUSE Linux Enterprise Desktop 15 SP4: LTSS

Desktop Applications Module: 15-SP5 - 15-SP6

Basesystem Module: 15-SP5 - 15-SP6

SUSE Linux Enterprise Real Time 15: SP5 - SP6

openSUSE Leap: 15.4 - 15.6

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP6

SUSE Linux Enterprise Server 15: SP4 - SP6

SUSE Linux Enterprise Desktop 15: SP5 - SP6

SUSE Linux Enterprise High Performance Computing LTSS 15: SP4

SUSE Linux Enterprise High Performance Computing ESPOS 15: SP4

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

emacs-info: before 27.2-150400.3.20.2

emacs-el: before 27.2-150400.3.20.2

emacs-debuginfo: before 27.2-150400.3.20.2

etags: before 27.2-150400.3.20.2

emacs-nox: before 27.2-150400.3.20.2

emacs-x11: before 27.2-150400.3.20.2

emacs: before 27.2-150400.3.20.2

emacs-nox-debuginfo: before 27.2-150400.3.20.2

emacs-x11-debuginfo: before 27.2-150400.3.20.2

emacs-debugsource: before 27.2-150400.3.20.2

etags-debuginfo: before 27.2-150400.3.20.2

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_15_sp4:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15_sp4:LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:desktop_applications_module:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:desktop_applications_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:*
• 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_desktop_15:SP5:*:*:*:*:*:*:*
• 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_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:emacs-info:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs-el:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:etags:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs-nox:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs-x11:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs-nox-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs-x11-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:emacs-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:o:suse:etags-debuginfo:*:*:*:*:*:suse_linux:*:*

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20244392-1/

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.