CVE-2011-3354

Description

The CtcpParser::packedReply method in core/ctcpparser.cpp in Quassel before 0.7.3 allows remote attackers to cause a denial of service (crash) via a crafted Client-To-Client Protocol (CTCP) request, as demonstrated in the wild in September 2011.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 1.62% Top 20%
Vendor Advisory ubuntu.com Vendor Advisory secunia.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://osvdb.org/75351 vdb entry
http://secunia.com/advisories/45970 third party advisory vendor advisory
http://www.ubuntu.com/usn/USN-1200-1 vendor advisory
http://bugs.quassel-irc.org/projects/quassel-irc/repository/revisions/da215fcb9cd3096a3e223c87577d5d4ab8f8518b/diff/src/core/ctcpparser.cpp patch
http://www.securityfocus.com/bid/49526 vdb entry
https://bugs.gentoo.org/show_bug.cgi?id=382313
https://exchange.xforce.ibmcloud.com/vulnerabilities/69682 vdb entry
http://www.openwall.com/lists/oss-security/2011/09/09/7 mailing list
http://www.openwall.com/lists/oss-security/2011/09/08/7 mailing list

Frequently Asked Questions

What is the severity of CVE-2011-3354?
CVE-2011-3354 has been scored as a medium severity vulnerability.
How to fix CVE-2011-3354?
To fix CVE-2011-3354, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-3354 being actively exploited in the wild?
It is possible that CVE-2011-3354 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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