CVE-2010-3095 Path traversal in mailscanner

Medium 4.7 Published 12 Nov 2019 Updated 7 Aug 2024

Local attackers can overwrite arbitrary files via symlink attacks on temporary files in MailScanner, potentially compromising system integrity.

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-2010-3095?

CVE-2010-3095 is a medium-severity path traversal vulnerability in mailscanner, published on 12 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

mailscanner before 4.79.11-2.1 might allow local users to overwrite arbitrary files via a symlink attack on certain temporary files. NOTE: this issue exists because of an incomplete fix for CVE-2008-5313.

Weakness: CWE-59

Which versions are affected by CVE-2010-3095?

It affects 1 product.

Products include Mailscanner Mailscanner.

How do I fix CVE-2010-3095?

No fix has been published for CVE-2010-3095 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2010-3095 being exploited?

There is no known exploitation of CVE-2010-3095 in the wild and no public exploit code.

Sources

Also known as GHSA-5v9g-4pwg-rx54.