CVE-2007-4577 Denial of service in n/a

High 7.8 Published 28 Aug 2007 Updated 7 Aug 2024

Remote attackers can cause a denial of service in Sophos Anti-Virus for Unix/Linux by sending a malformed BZip file that triggers an infinite loop.

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

What is CVE-2007-4577?

CVE-2007-4577 is a high-severity denial of service vulnerability in n/a, published on 28 Aug 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Sophos Anti-Virus for Unix/Linux before 2.48.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed BZip file that results in the creation of multiple Engine temporary files (aka a "BZip bomb").

Weakness: CWE-399

Which versions are affected by CVE-2007-4577?

It affects 3 products.

Products include Sophos Anti-Virus, Sophos Scanning Engine, Sophos Small Business Suite.

How do I fix CVE-2007-4577?

No fix has been published for CVE-2007-4577 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2007-4577 being exploited?

There is no known exploitation of CVE-2007-4577 in the wild and no public exploit code.

Sources

Also known as GHSA-pfx8-pjvm-pmjj.