National Cyber Awareness System

Vulnerability Summary for CVE-2007-3642

Overview

The decode_choice function in net/netfilter/nf_conntrack_h323_asn1.c in the Linux kernel before 2.6.20.15, 2.6.21.x before 2.6.21.6, and before 2.6.22 allows remote attackers to cause a denial of service (crash) via an encoded, out-of-range index value for a choice field, which triggers a NULL pointer dereference.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

Vendor Statements (disclaimer)

Official Statement from Red Hat (07/10/2007)

Not vulnerable. These issues did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

External Source: SECUNIA

Name: 25955

Type: Advisory; Patch Information

Hyperlink:http://secunia.com/advisories/25955

External Source: VUPEN

Name: ADV-2007-2466

Type: Advisory

Hyperlink:http://www.vupen.com/english/advisories/2007/2466

External Source: UBUNTU

Name: USN-510-1

Hyperlink:http://www.ubuntu.com/usn/usn-510-1

External Source: BID

Name: 24818

Hyperlink:http://www.securityfocus.com/bid/24818

External Source: MANDRIVA

Name: MDKSA-2007:195

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2007:195

External Source: DEBIAN

Name: DSA-1356

Hyperlink:http://www.debian.org/security/2007/dsa-1356

External Source: SECUNIA

Name: 27212

Type: Advisory

Hyperlink:http://secunia.com/advisories/27212

External Source: SECUNIA

Name: 26450

Type: Advisory

Hyperlink:http://secunia.com/advisories/26450

External Source: OSVDB

Name: 37117

Hyperlink:http://osvdb.org/37117

External Source: CONFIRM

Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22

Hyperlink:http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22

External Source: CONFIRM

Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6

Hyperlink:http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.21.6

External Source: CONFIRM

Name: http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15

Hyperlink:http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.15

External Source: CONFIRM

Name: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=25845b5155b55cd77e42655ec24161ba3feffa47

Hyperlink:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=25845b5155b55cd77e42655ec24161ba3feffa47