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.
Metrics
CVSS 2.0 5.0/10
AV:N/AC:L/Au:N/C:N/I:N/A:PWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://download.strongswan.org/CHANGES4.txtVendor Advisory
- http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patchPatch
- http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readmePatch
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- http://secunia.com/advisories/35296
- http://secunia.com/advisories/35685
- http://secunia.com/advisories/36922
- http://www.debian.org/security/2009/dsa-1899
- http://www.securityfocus.com/bid/35178
- https://lists.strongswan.org/pipermail/users/2009-May/003457.html
- http://download.strongswan.org/CHANGES4.txtVendor Advisory
- http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patchPatch
- http://download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readmePatch
- http://lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
- http://secunia.com/advisories/35296
- http://secunia.com/advisories/35685
- http://secunia.com/advisories/36922
- http://www.debian.org/security/2009/dsa-1899
- http://www.securityfocus.com/bid/35178
- https://lists.strongswan.org/pipermail/users/2009-May/003457.html
Timeline
- Published
- Jun 8, 2009
- Last modified
- Jun 16, 2026
- NVD status
- Modified