CVE-2000-0993 Memory corruption in n/a

High 7.2 Published 22 Jan 2001 Updated 8 Aug 2024

Local attackers can gain root privileges via a format string vulnerability in the BSD libutil library's password error handling.

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-2000-0993?

CVE-2000-0993 is a high-severity memory corruption vulnerability in Freebsd Freebsd, 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

Format string vulnerability in pw_error function in BSD libutil library allows local users to gain root privileges via a malformed password in commands such as chpass or passwd.

Which versions are affected by CVE-2000-0993?

It affects 3 products.

Products include Freebsd Freebsd, Netbsd Netbsd, Openbsd Openbsd.

How do I fix CVE-2000-0993?

No fix has been published for CVE-2000-0993 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2000-0993 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2000-0993 exists.

Public exploit code: 1 Exploit-DB entry.

All Freebsd Freebsd vulnerabilities

Sources

Also known as GHSA-qw7m-3wrp-h96f.