Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-3156 |
CWE-ID | CWE-122 |
Exploitation vector | Local |
Public exploit | Vulnerability #1 is being exploited in the wild. |
Vulnerable software |
SUSE Linux Enterprise Server 12 SP5 LTSS Extended Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 SP5 Operating systems & Components / Operating system SUSE Linux Enterprise Server for SAP Applications 12 Operating systems & Components / Operating system SUSE Linux Enterprise Server 12 Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing 12 Operating systems & Components / Operating system sudo-debuginfo Operating systems & Components / Operating system package or component sudo-devel Operating systems & Components / Operating system package or component sudo-debugsource Operating systems & Components / Operating system package or component sudo Operating systems & Components / Operating system package or component |
Vendor | SUSE |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU50040
Risk: Low
CVSSv4.0: 8.5 [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:A/U:Clear]
CVE-ID: CVE-2021-3156
CWE-ID:
CWE-122 - Heap-based Buffer Overflow
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in sudo. A local user can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system with root privileges.
Update the affected package sudo to the latest version.
Vulnerable software versionsSUSE Linux Enterprise Server 12 SP5 LTSS Extended: Security
SUSE Linux Enterprise Server 12 SP5: LTSS
SUSE Linux Enterprise Server for SAP Applications 12: SP5
SUSE Linux Enterprise Server 12: SP5
SUSE Linux Enterprise High Performance Computing 12: SP5
sudo-debuginfo: before 1.8.27-4.51.1
sudo-devel: before 1.8.27-4.51.1
sudo-debugsource: before 1.8.27-4.51.1
sudo: before 1.8.27-4.51.1
CPE2.3https://www.suse.com/support/update/announcement/2024/suse-su-20244389-1/
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?
Yes. This vulnerability is being exploited in the wild.