Input validation error in Glibc - CVE-2000-0959

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Main Vulnerability Database Vulnerabilities #VU110135

Input validation error in Glibc - CVE-2000-0959

Published: October 10, 2017 / Updated: June 3, 2025


Vulnerability identifier: #VU110135
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2000-0959
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: GNU
Affected software:
Glibc

Detailed vulnerability description

The vulnerability allows a local user to corrupt data.

glibc2 does not properly clear the LD_DEBUG_OUTPUT and LD_DEBUG environmental variables when a program is spawned from a setuid program, which could allow local users to overwrite files via a symlink attack.


How to mitigate CVE-2000-0959

Install update from vendor's website.

Sources