Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU63956
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-27239
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error when parsing the "mount.cifs ip=" command-line argument. A local user can pass specially crafted data to the command, trigger a stack-based buffer overflow and execute arbitrary code with root privileges.
Update the affected package cifs-utils to the latest version.
Vulnerable software versionsSUSE Manager Retail Branch Server: 4.3
SUSE Manager Server: 4.3
SUSE Manager Proxy: 4.3
SUSE Linux Enterprise Module for Basesystem: 15-SP4
SUSE Linux Enterprise Desktop: 15-SP4
SUSE Linux Enterprise Server: 15-SP4
openSUSE Leap: 15.4
SUSE Linux Enterprise Server for SAP Applications: 15-SP4
SUSE Linux Enterprise High Performance Computing: 15-SP4
pam_cifscreds-debuginfo: before 6.15-150400.3.6.1
pam_cifscreds: before 6.15-150400.3.6.1
cifs-utils-devel: before 6.15-150400.3.6.1
cifs-utils-debugsource: before 6.15-150400.3.6.1
cifs-utils-debuginfo: before 6.15-150400.3.6.1
cifs-utils: before 6.15-150400.3.6.1
External linkshttp://www.suse.com/support/update/announcement/2022/suse-su-20222378-1/
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.