Vulnerability Description
conntrackd in conntrack-tools 1.4.2 and earlier does not ensure that the optional kernel modules are loaded before using them, which allows remote attackers to cause a denial of service (crash) via a (1) DCCP, (2) SCTP, or (3) ICMPv6 packet.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netfilter | Conntrack-Tools | <= 1.4.2 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- http://bugzilla.netfilter.org/show_bug.cgi?id=910ExploitIssue TrackingThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174875.htThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174883.htThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00015.htmlMailing ListThird Party Advisory
- http://www.debian.org/security/2015/dsa-3341Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/08/14/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/08/18/1Mailing ListThird Party Advisory
- https://git.netfilter.org/conntrack-tools/commit/?id=c392c159605956c7bd4a264ab44PatchVendor AdvisoryURL Repurposed
- http://bugzilla.netfilter.org/show_bug.cgi?id=910ExploitIssue TrackingThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174875.htThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/174883.htThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-10/msg00015.htmlMailing ListThird Party Advisory
- http://www.debian.org/security/2015/dsa-3341Third Party Advisory
- http://www.openwall.com/lists/oss-security/2015/08/14/4Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2015/08/18/1Mailing ListThird Party Advisory
FAQ
What is CVE-2015-6496?
CVE-2015-6496 is a vulnerability with a CVSS score of 5.0 (MEDIUM). conntrackd in conntrack-tools 1.4.2 and earlier does not ensure that the optional kernel modules are loaded before using them, which allows remote attackers to cause a denial of service (crash) via a ...
How severe is CVE-2015-6496?
CVE-2015-6496 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-6496?
Check the references section above for vendor advisories and patch information. Affected products include: Netfilter Conntrack-Tools, Debian Debian Linux.