CVE-2009-0661 Denial of service in n/a

Medium 5.0 Published Updated

Remote attackers can crash WeeChat by sending crafted IRC PRIVMSG messages with specific color codes, causing a denial of service.

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

What is CVE-2009-0661?

CVE-2009-0661 is a medium-severity denial of service vulnerability in n/a, published on 19 Mar 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Wee Enhanced Environment for Chat (WeeChat) 0.2.6 allows remote attackers to cause a denial of service (crash) via an IRC PRIVMSG command containing crafted color codes that trigger an out-of-bounds read.

Weakness: CWE-20

Which versions are affected by CVE-2009-0661?

It affects 1 product.

Products include Flashtux Weechat.

How do I fix CVE-2009-0661?

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-2009-0661 being exploited?

There is no known exploitation of CVE-2009-0661 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2009-0661, DSA-1744-1, GHSA-x574-mhvf-59h5.

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