CVE-2005-3351 Denial of service in n/a

Medium 5.0 Published 20 Nov 2005 Updated 7 Aug 2024

Attackers can bypass spam detection and cause a denial of service in SpamAssassin by sending emails with many recipients.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2005-3351?

CVE-2005-3351 is a medium-severity denial of service vulnerability in n/a, published on 20 Nov 2005. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SpamAssassin 3.0.4 allows attackers to bypass spam detection via an e-mail with a large number of recipients ("To" addresses), which triggers a bus error in Perl.

Which versions are affected by CVE-2005-3351?

It affects 1 product.

Linux distribution packages (8)

`spamassassin` Red Hat:enterprise_linux:4::as	All versions	`0:3.0.5-3.el4`
`spamassassin-debuginfo` Red Hat:enterprise_linux:4::as	All versions	`0:3.0.5-3.el4`
`spamassassin` Red Hat:enterprise_linux:4::desktop	All versions	`0:3.0.5-3.el4`
`spamassassin-debuginfo` Red Hat:enterprise_linux:4::desktop	All versions	`0:3.0.5-3.el4`
`spamassassin` Red Hat:enterprise_linux:4::es	All versions	`0:3.0.5-3.el4`
`spamassassin-debuginfo` Red Hat:enterprise_linux:4::es	All versions	`0:3.0.5-3.el4`
`spamassassin` Red Hat:enterprise_linux:4::ws	All versions	`0:3.0.5-3.el4`
`spamassassin-debuginfo` Red Hat:enterprise_linux:4::ws	All versions	`0:3.0.5-3.el4`

Products include Apache Spamassassin.

How do I fix CVE-2005-3351?

Upgrade to a fixed version.

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-2005-3351 being exploited?

There is no known exploitation of CVE-2005-3351 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2005-3351, GHSA-m2fg-q836-9pmq, RHSA-2006:0129.