The CoreUserInputHandler::doMode function in core/coreuserinputhandler.cpp in Quassel 0.10.0 allows remote attackers to cause a denial of service (application crash) via the "/op *" command in a query.

Added security fix for CVE-2015-8547

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.

Quassel was updated to fix a remote DoS security issue.

The following vulnerability was fixed :

  - CVE-2015-8547: Remote DoS in Quassel core

Pierre Schweitzer reports :

Any client sending the command '/op *' in a query will cause the Quassel core to crash.

ID	Name	Product	Family	Severity
89571	Fedora 23 : quassel-0.12.2-6.fc23 (2016-7f0b1e47ac)	Nessus	Fedora Local Security Checks	high
89517	Fedora 22 : quassel-0.12.2-6.fc22 (2016-3bc3d7f66e)	Nessus	Fedora Local Security Checks	high
87617	openSUSE Security Update : quassel (openSUSE-2015-938)	Nessus	SuSE Local Security Checks	high
87542	FreeBSD : quassel -- remote denial of service (9e7306b9-a5c3-11e5-b864-14dae9d210b8)	Nessus	FreeBSD Local Security Checks	high

Detections

Analytics

CVE-2015-8547

high

Tenable Plugins

high

high

high

high