CVE-2016-4414

moderate-risk
Published 2016-06-13

The onReadyRead function in core/coreauthhandler.cpp in Quassel before 0.12.4 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via invalid handshake data.

Do I need to act?

~
2.9% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (6)

Quassel

Affected Vendors

Opensuse Fedoraproject Quassel-Irc

References (16)

http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183571.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183585.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183746.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00063.html
http://quassel-irc.org/node/129
http://www.openwall.com/lists/oss-security/2016/04/30/2
http://www.openwall.com/lists/oss-security/2016/04/30/4
Vendor Advisory https://github.com/quassel/quassel/commit/e678873
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183571.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183585.html
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183746.html
http://lists.opensuse.org/opensuse-updates/2016-05/msg00063.html
http://quassel-irc.org/node/129
http://www.openwall.com/lists/oss-security/2016/04/30/2
http://www.openwall.com/lists/oss-security/2016/04/30/4
Vendor Advisory https://github.com/quassel/quassel/commit/e678873
45
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 6/34 · Minimal
Exposure 13/34 · Low