Vulnerability Monitor

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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 length, which triggers a buffer over-read.

Published

2011-06-24T20:55:03.530

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
CWE-191

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.33.14	Yes
Operating System	fedoraproject	fedora	14	Yes
Operating System	fedoraproject	fedora	15	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html Patch, Third Party Advisory ([email protected])
http://marc.info/?l=linux-kernel&m=130468845209036&w=2 Patch, Third Party Advisory ([email protected])
http://marc.info/?l=linux-kernel&m=130469305815140&w=2 Patch, Third Party Advisory ([email protected])
http://secunia.com/advisories/44932 Third Party Advisory, Vendor Advisory ([email protected])
http://securityreason.com/securityalert/8286 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14 Release Notes, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/47769 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id?1025592 Third Party Advisory, VDB Entry ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=703011 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061236.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061366.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=linux-kernel&m=130468845209036&w=2 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://marc.info/?l=linux-kernel&m=130469305815140&w=2 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/44932 Third Party Advisory, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/8286 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/longterm/v2.6.33/ChangeLog-2.6.33.14 Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/47769 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025592 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=703011 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)