CVE-2009-1958

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.

🔗 References (20)

• cve@mitrehttp://download.strongswan.org/CHANGES4.txt
• cve@mitrehttp://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch
• cve@mitrehttp://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme
• cve@mitrehttp://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• cve@mitrehttp://secunia.com/advisories/35296
• cve@mitrehttp://secunia.com/advisories/35685
• cve@mitrehttp://secunia.com/advisories/36922
• cve@mitrehttp://www.debian.org/security/2009/dsa-1899
• cve@mitrehttp://www.securityfocus.com/bid/35178
• cve@mitrehttps://lists.strongswan.org/pipermail/users/2009-May/003457.html
• af854a3a-2127-422b-91ae-364da2661108http://download.strongswan.org/CHANGES4.txt
• af854a3a-2127-422b-91ae-364da2661108http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch
• af854a3a-2127-422b-91ae-364da2661108http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme
• af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
• af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/35296