CVE-2007-3726 Integer overflow in n/a

Medium 4.3 Published 12 Jul 2007 Updated 7 Aug 2024

A crafted RAR archive triggers an integer signedness error in unrar, causing a denial of service crash when opened by a user.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2007-3726?

CVE-2007-3726 is a medium-severity vulnerability in n/a, published on 12 Jul 2007. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Integer signedness error in the SET_VALUE function in rarvm.cpp in unrar 3.70 beta 3, as used in products including WinRAR and RAR for OS X, allows user-assisted remote attackers to cause a denial of service (crash) via a crafted RAR archive that causes a negative signed number to be cast to a large unsigned number.

Which versions are affected by CVE-2007-3726?

It affects 1 product.

Products include Rarlab Unrar.

How do I fix CVE-2007-3726?

Upgrade to a fixed version.

Is CVE-2007-3726 being exploited?

There is no known exploitation of CVE-2007-3726 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2007-3726, GHSA-2w7p-wvwf-625f.