CVE-2016-4414: Null Pointer Dereference
First published: Mon Jun 13 2016(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| SUSE Linux | =42.1 | |
| SUSE Linux | =13.2 | |
| Quassel IRC | <=0.12.3 | |
| Fedora | =22 | |
| Fedora | =23 | |
| Fedora | =24 |
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Reference Links
- 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
- https://github.com/quassel/quassel/commit/e678873
Frequently Asked Questions
What is the severity of CVE-2016-4414?
CVE-2016-4414 has a severity rating that indicates it can cause a denial of service due to a NULL pointer dereference.
How do I fix CVE-2016-4414?
To fix CVE-2016-4414, upgrade Quassel to version 0.12.4 or later.
Which versions of Quassel are affected by CVE-2016-4414?
CVE-2016-4414 affects all versions of Quassel prior to 0.12.4.
What causes the vulnerability in CVE-2016-4414?
CVE-2016-4414 is caused by the onReadyRead function mishandling invalid handshake data.
Which operating systems are impacted by CVE-2016-4414?
CVE-2016-4414 impacts openSUSE Leap 42.1, openSUSE 13.2, and various versions of Fedora including 22, 23, and 24.
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- vendor/opensuse
- canonical/suse linux
- version/suse linux/42.1
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- vendor/quassel-irc
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- version/quassel irc/0.12.3
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- version/fedora/22
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- version/fedora/24