CVE-2000-0824 Privilege escalation in n/a

High 7.2 Published 22 Jan 2001 Updated 8 Aug 2024

Local attackers can escalate privileges in setuid programs by exploiting improper environment variable handling in glibc.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2000-0824?

CVE-2000-0824 is a high-severity vulnerability in Gnu Glibc, published on 22 Jan 2001. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The unsetenv function in glibc 2.1.1 does not properly unset an environmental variable if the variable is provided twice to a program, which could allow local users to execute arbitrary commands in setuid programs by specifying their own duplicate environmental variables such as LD_PRELOAD or LD_LIBRARY_PATH.

Which versions are affected by CVE-2000-0824?

It affects 1 product.

Products include Gnu Glibc.

How do I fix CVE-2000-0824?

No fix has been published for CVE-2000-0824 yet. Limit exposure of the affected software until one is available.

Is CVE-2000-0824 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2000-0824 exists.

Public exploit code: 1 Exploit-DB entry.

All Gnu Glibc vulnerabilities

Sources

Also known as GHSA-7573-6fcp-5wh3.