CVE-2010-3443 Denial of service in n/a

What is CVE-2010-3443?

CVE-2010-3443 is a medium-severity denial of service vulnerability in Canonical Ubuntu Linux, published on 23 Nov 2013. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

ctcphandler.cpp in Quassel before 0.6.3 and 0.7.x before 0.7.1 allows remote attackers to cause a denial of service (unresponsive IRC) via multiple Client-To-Client Protocol (CTCP) requests in a PRIVMSG message.

Weakness: CWE-399

Which versions are affected by CVE-2010-3443?

It affects 2 products.

Products include Canonical Ubuntu Linux, Quassel-Irc Quassel Irc.

How do I fix CVE-2010-3443?

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-2010-3443 being exploited?

There is no known exploitation of CVE-2010-3443 in the wild and no public exploit code.

Other vulnerabilities in Canonical Ubuntu Linux

• CVE-2020-11651 SaltStack Salt Authentication Bypass Exploited Critical 9.8
• CVE-2020-7247 OpenSMTPD Remote Code Execution Exploited Critical 9.8
• CVE-2019-16928 Exim Out-of-bounds Write Exploited Critical 9.8
• CVE-2018-6789 Exim Buffer Overflow Exploited Critical 9.8
• CVE-2015-2590 Oracle Java SE and Java SE Embedded Remote Code Execution Exploited Critical 9.8

All Canonical Ubuntu Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2010-3443, GHSA-gcm5-mx9r-f9mm.