Main Vulnerability Database Vulnerabilities #VU79879

#VU79879 Unchecked return value in Inetutils - GNU network utilities - CVE-2023-40303

Published: August 23, 2023

Vulnerability identifier: #VU79879

Vulnerability risk: Low

CVSSv4.0: 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

CVE-ID: CVE-2023-40303

CWE-ID: CWE-252

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerable software:
Inetutils - GNU network utilities

Software vendor:
GNU

Description

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 updates from vendor's website.

#VU79879 Unchecked return value in Inetutils - GNU network utilities - CVE-2023-40303

Description

Remediation

External links