National Cyber Awareness System

Vulnerability Summary for CVE-2009-1958

Overview

charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_AUTH request without a (1) TSi or (2) TSr traffic selector.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: CONFIRM

Name: http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme

Type: Patch Information

Hyperlink:http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme

External Source: CONFIRM

Name: http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch

Type: Patch Information

Hyperlink:http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch

External Source: MLIST

Name: [strongSwan] 20090527 [strongSwan] ANNOUNCE: strongSwan 4.3.1 and 4.2.15 released

Hyperlink:https://lists.strongswan.org/pipermail/users/2009-May/003457.html

External Source: BID

Name: 35178

Hyperlink:http://www.securityfocus.com/bid/35178

External Source: DEBIAN

Name: DSA-1899

Hyperlink:http://www.debian.org/security/2009/dsa-1899

External Source: SECUNIA

Name: 36922

Hyperlink:http://secunia.com/advisories/36922

External Source: SECUNIA

Name: 35685

Hyperlink:http://secunia.com/advisories/35685

External Source: SECUNIA

Name: 35296

Hyperlink:http://secunia.com/advisories/35296

External Source: SUSE

Name: SUSE-SR:2009:012

Hyperlink:http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html

External Source: CONFIRM

Name: http://download.strongswan.org/CHANGES4.txt

Type: Advisory

Hyperlink:http://download.strongswan.org/CHANGES4.txt