Resource management error in Quassel - CVE-2011-3354
Published: October 4, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44651
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-3354
CWE-ID: CWE-399
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Quassel IRC Team
Affected software:
Quassel
Quassel
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
How to mitigate CVE-2011-3354
Install update from vendor's website.
Sources
- http://bugs.quassel-irc.org/projects/quassel-irc/repository/revisions/da215fcb9cd3096a3e223c87577d5d4ab8f8518b/diff/src/core/ctcpparser.cpp
- http://osvdb.org/75351
- http://secunia.com/advisories/45970
- http://www.openwall.com/lists/oss-security/2011/09/08/7
- http://www.openwall.com/lists/oss-security/2011/09/09/7
- http://www.securityfocus.com/bid/49526
- http://www.ubuntu.com/usn/USN-1200-1
- https://bugs.gentoo.org/show_bug.cgi?id=382313
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69682