CVE-2009-1958

N/A Unknown
Published: June 08, 2009 Modified: April 23, 2026
View on NVD

Description

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://download.strongswan.org/CHANGES4.txt
Source: cve@mitre.org
Vendor Advisory
http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch
Source: cve@mitre.org
Patch
http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme
Source: cve@mitre.org
Patch
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Source: cve@mitre.org
http://secunia.com/advisories/35296
Source: cve@mitre.org
http://secunia.com/advisories/35685
Source: cve@mitre.org
http://secunia.com/advisories/36922
Source: cve@mitre.org
http://www.debian.org/security/2009/dsa-1899
Source: cve@mitre.org
http://www.securityfocus.com/bid/35178
Source: cve@mitre.org
https://lists.strongswan.org/pipermail/users/2009-May/003457.html
Source: cve@mitre.org
http://download.strongswan.org/CHANGES4.txt
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/35296
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/35685
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/36922
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.debian.org/security/2009/dsa-1899
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/35178
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.strongswan.org/pipermail/users/2009-May/003457.html
Source: af854a3a-2127-422b-91ae-364da2661108

20 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
1.7%
83th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

strongswan

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