CVE-2011-1770
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 4.36% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-191
- Affected
- linux/linux kernel · fedoraproject/fedora
- Source
- secalert@redhat.com
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.htmlThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.htmlPatch, Third Party Advisory
- http://marc.info/?l=linux-kernel&m=130468845209036&w=2Patch, Third Party Advisory
- http://marc.info/?l=linux-kernel&m=130469305815140&w=2Patch, Third Party Advisory
- http://secunia.com/advisories/44932Third Party Advisory, Vendor 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 Notes, Vendor Advisory
- http://www.securityfocus.com/bid/47769Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1025592Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=703011Issue Tracking, Patch, Third 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.htmlPatch, Third Party Advisory
- http://marc.info/?l=linux-kernel&m=130468845209036&w=2Patch, Third Party Advisory
- http://marc.info/?l=linux-kernel&m=130469305815140&w=2Patch, Third Party Advisory
- http://secunia.com/advisories/44932Third Party Advisory, Vendor 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 Notes, Vendor Advisory
- http://www.securityfocus.com/bid/47769Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id?1025592Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=703011Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.