CVE-2009-1958

Home/CVE/charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr

CVE

charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr

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.

MEDIUM · CVSS 5 EPSS 0.01736

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Affected Products & Versions

strongswan<= 4.2.9

strongswanall versions

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Published to NVD08 Jun 2009 · 01:00 AM

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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

Show all 10 references

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

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