SB2024012432 - Privilege escalation in Sudo
Published: January 24, 2024
Security Bulletin ID
SB2024012432
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Authentication (CVE-ID: CVE-2023-42465)
CWE-ID: CWE-287 - Improper Authentication
CVSSv4: 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
The vulnerability allows a local user to bypass authentication process.
The vulnerability exists due to insufficient resistance to rowhammer attacks. A local user can bypass authentication process and gain unauthorized access to the system.
Remediation
Install update from vendor's website.
References
- https://www.sudo.ws/releases/changelog/
- https://www.openwall.com/lists/oss-security/2023/12/21/9
- https://github.com/sudo-project/sudo/commit/7873f8334c8d31031f8cfa83bd97ac6029309e4f
- https://arxiv.org/abs/2309.02545
- https://github.com/sudo-project/sudo/releases/tag/SUDO_1_9_15
- https://security.gentoo.org/glsa/202401-29