PRIOn knowledge basePRION:CVE-2009-1957Null pointer dereference
7 High
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
0.106 Low
EPSS
Percentile
94.9%
charon/sa/ike_sa.c in the charon daemon in strongSWAN before 4.3.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via an invalid IKE_SA_INIT request that triggers “an incomplete state,” followed by a CREATE_CHILD_SA request.
| CPE | Name | Operator | Version |
|---|---|---|---|
| strongswan | eq | 2.4.3 | |
| strongswan | eq | 2.5.7 | |
| strongswan | eq | 2.4.2 | |
| strongswan | eq | 4.1.8 | |
| strongswan | eq | 4.1.11 | |
| strongswan | eq | 2.2.2 | |
| strongswan | eq | 2.6.16 | |
| strongswan | eq | 2.5.3 | |
| strongswan | eq | 2.8.0 | |
| strongswan | eq | 2.8.1 |
References
download.strongswan.org/CHANGES4.txt
download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.patch
download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.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
Related
7 High
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
0.106 Low
EPSS
Percentile
94.9%