CVE-2003-1135 Denial of service in n/a

Low 2.6 Published 10 May 2005 Updated 16 Sep 2024

Remote attackers can crash Yahoo! Messenger by sending a file request with excessive percent characters, requiring user acceptance.

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: None listed

What is CVE-2003-1135?

CVE-2003-1135 is a low-severity denial of service vulnerability in n/a, published on 10 May 2005. 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

Buffer overflow in Yahoo! Messenger 5.6 allows remote attackers to cause a denial of service (crash) via a file send request (sendfile) with a large number of "%" (percent) characters after the Yahoo ID.

Which versions are affected by CVE-2003-1135?

It affects 1 product.

Products include Yahoo Messenger.

How do I fix CVE-2003-1135?

No fix has been published for CVE-2003-1135 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-2003-1135 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2003-1135 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-3w6m-fc8w-97c4.