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.

Mitre reports :

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.

This update for quassel fixes the following issues :

  - CVE-2016-4414: Denial of service vulnerability by     unauthenticated clients (boo#978002)

Security fix for CVE-2016-4414, Update to latest upstream quassel release, 0.12.4

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
91966	FreeBSD : quassel -- remote denial of service (7d64d00c-43e3-11e6-ab34-002590263bf5)	Nessus	FreeBSD Local Security Checks	high
91206	openSUSE Security Update : quassel (openSUSE-2016-589)	Nessus	SuSE Local Security Checks	high
90973	Fedora 24 : quassel-0.12.4-1.fc24 (2016-bf916bcc04)	Nessus	Fedora Local Security Checks	high
90953	Fedora 23 : quassel-0.12.4-1.fc23 (2016-42f30d76a0)	Nessus	Fedora Local Security Checks	high
90946	Fedora 22 : quassel-0.12.4-1.fc22 (2016-0431acaa78)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2016-4414

high

Tenable Plugins

high

high

high

high

high