CVE-2009-1958
6.5 Medium
AI Score
Confidence
Low
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.06 Low
EPSS
Percentile
93.4%
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
download.strongswan.org/CHANGES4.txt
download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.patch
download.strongswan.org/patches/04_swapped_ts_check_patch/strongswan-4.x.x._swapped_ts_check.readme
lists.opensuse.org/opensuse-security-announce/2009-07/msg00002.html
secunia.com/advisories/35296
secunia.com/advisories/35685
secunia.com/advisories/36922
www.debian.org/security/2009/dsa-1899
www.securityfocus.com/bid/35178
lists.strongswan.org/pipermail/users/2009-May/003457.html
Social References
More
Related
6.5 Medium
AI Score
Confidence
Low
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.06 Low
EPSS
Percentile
93.4%