Unrated severityNVD Advisory· Published Jun 8, 2009· Updated Jun 16, 2026
CVE-2009-1958
CVE-2009-1958
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
81cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*+ 80 more
- cpe:2.3:a:strongswan:strongswan:*:*:*:*:*:*:*:*range: <=4.2.9
- cpe:2.3:a:strongswan:strongswan:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.3.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.4.0a:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.4.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.6.16:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.6.20:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.5:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.6:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.7:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:2.8.8:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.5:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.6:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.0.7:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.10:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.11:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.5:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.6:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.7:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.8:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.1.9:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.10:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.11:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.12:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.13:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.4:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.5:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.6:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.7:*:*:*:*:*:*:*
- cpe:2.3:a:strongswan:strongswan:4.2.8:*:*:*:*:*:*:*
- (no CPE)range: <4.3.1
Patches
Vulnerability mechanics
References
10- download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patchnvdPatch
- download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readmenvdPatch
- download.strongswan.org/CHANGES4.txtnvdVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.htmlnvd
- secunia.com/advisories/35296nvd
- secunia.com/advisories/35685nvd
- secunia.com/advisories/36922nvd
- www.debian.org/security/2009/dsa-1899nvd
- www.securityfocus.com/bid/35178nvd
- lists.strongswan.org/pipermail/users/2009-May/003457.htmlnvd
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