CVE-2011-1770
HIGH severity · CVSS 7.5 · CWE-191
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html ↗
Additional information
- NVD record
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.htmlPatch
- http://marc.info/?l=linux-kernel&m=130468845209036&w=2Patch
- http://marc.info/?l=linux-kernel&m=130469305815140&w=2Patch
- http://secunia.com/advisories/44932Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.htmlAdvisory
- http://securityreason.com/securityalert/8286Advisory
- http://www.securityfocus.com/bid/47769Advisory