5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
6.3 Medium
AI Score
Confidence
High
0.038 Low
EPSS
Percentile
91.9%
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.
bugs.quassel-irc.org/projects/quassel-irc/repository/revisions/da215fcb9cd3096a3e223c87577d5d4ab8f8518b/diff/src/core/ctcpparser.cpp
osvdb.org/75351
secunia.com/advisories/45970
www.openwall.com/lists/oss-security/2011/09/08/7
www.openwall.com/lists/oss-security/2011/09/09/7
www.securityfocus.com/bid/49526
www.ubuntu.com/usn/USN-1200-1
bugs.gentoo.org/show_bug.cgi?id=382313
exchange.xforce.ibmcloud.com/vulnerabilities/69682