CVE-2007-2813 Denial of service in n/a

High 7.8 Published 22 May 2007 Updated 7 Aug 2024

Remote attackers can cause a denial of service in Cisco IOS devices by sending malformed SSL messages when crypto and SSL features are enabled.

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-2007-2813?

CVE-2007-2813 is a high-severity denial of service vulnerability in n/a, published on 22 May 2007. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cisco IOS 12.4 and earlier, when using the crypto packages and SSL support is enabled, allows remote attackers to cause a denial of service via a malformed (1) ClientHello, (2) ChangeCipherSpec, or (3) Finished message during an SSL session.

Which versions are affected by CVE-2007-2813?

It affects 1 product.

Products include Cisco Ios Transmission Control Protocol.

How do I fix CVE-2007-2813?

No fix has been published for CVE-2007-2813 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-2007-2813 being exploited?

There is no known exploitation of CVE-2007-2813 in the wild and no public exploit code.

Sources

Also known as GHSA-475w-6gxw-mj33.