Vulnerability CVE-2011-3354
Published: 2011-10-04   Modified: 2012-02-13

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.

Type:

CWE-399

 (Resource Management Errors)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Quassel-irc -> Quassel 

 References:
http://bugs.quassel-irc.org/projects/quassel-irc/repository/revisions/da215fcb9cd3096a3e223c87577d5d4ab8f8518b/diff/src/core/ctcpparser.cpp
https://bugs.gentoo.org/show_bug.cgi?id=382313
http://xforce.iss.net/xforce/xfdb/69682
http://www.ubuntu.com/usn/USN-1200-1
http://www.securityfocus.com/bid/49526
http://www.openwall.com/lists/oss-security/2011/09/09/7
http://www.openwall.com/lists/oss-security/2011/09/08/7
http://secunia.com/advisories/45970
http://osvdb.org/75351
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