Vulnerability Description
Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Protocol (DCCP) packet with an invalid feature options length, which triggers a buffer over-read.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.33.14 |
| Fedoraproject | Fedora | 14 |
Related Weaknesses (CWE)
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.htmlPatchThird Party Advisory
- http://marc.info/?l=linux-kernel&m=130468845209036&w=2PatchThird Party Advisory
- http://marc.info/?l=linux-kernel&m=130469305815140&w=2PatchThird Party Advisory
- http://secunia.com/advisories/44932Third Party AdvisoryVendor Advisory
- http://securityreason.com/securityalert/8286Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14Release NotesVendor Advisory
- http://www.securityfocus.com/bid/47769Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1025592Third Party AdvisoryVDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=703011Issue TrackingPatchThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.htmlPatchThird Party Advisory
- http://marc.info/?l=linux-kernel&m=130468845209036&w=2PatchThird Party Advisory
- http://marc.info/?l=linux-kernel&m=130469305815140&w=2PatchThird Party Advisory
- http://secunia.com/advisories/44932Third Party AdvisoryVendor Advisory
FAQ
What is CVE-2011-1770?
CVE-2011-1770 is a vulnerability with a CVSS score of 7.5 (HIGH). Integer underflow in the dccp_parse_options function (net/dccp/options.c) in the Linux kernel before 2.6.33.14 allows remote attackers to cause a denial of service via a Datagram Congestion Control Pr...
How severe is CVE-2011-1770?
CVE-2011-1770 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-1770?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Fedoraproject Fedora.