SB2023082317 - Privilege escalation in GNU inetutils
Published: August 23, 2023
Security Bulletin ID
SB2023082317
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 security vulnerability.
1) Unchecked return value (CVE-ID: CVE-2023-40303)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to usage of an unchecked return values of set*id() family functions in ftpd, rcp, rlogin, rsh, rshd, and uucpd while the setuid system call fails when a process is trying to drop privileges
before letting an ordinary user control the activities of the process. A local user can abuse this situation and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.