CVE-2002-0557 Privilege escalation in n/a

High 7.5 Published 11 Jun 2002 Updated 8 Aug 2024

A vulnerability in OpenBSD allows local users to execute commands as other users or access their directories when using YP with netgroups.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2002-0557?

CVE-2002-0557 is a high-severity vulnerability in Openbsd Openbsd, published on 11 Jun 2002. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Vulnerability in OpenBSD 3.0, when using YP with netgroups in the password database, causes (1) rexec or (2) rsh to run another user's shell, or (3) atrun to change to a different user's directory, possibly due to memory allocation failures or an incorrect call to auth_approval().

Which versions are affected by CVE-2002-0557?

It affects 1 product.

Products include Openbsd Openbsd.

How do I fix CVE-2002-0557?

No fix has been published for CVE-2002-0557 yet. Limit exposure of the affected software until one is available.

Is CVE-2002-0557 being exploited?

There is no known exploitation of CVE-2002-0557 in the wild and no public exploit code.

All Openbsd Openbsd vulnerabilities

Sources

Also known as GHSA-2v78-p655-v2m3.