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Last updated: 3/28/2015 5:24:37 AM

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Vulnerability Summary for CVE-2009-1957

Original release date: 06/07/2009
Last revised: 10/14/2009


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.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 5.0 (MEDIUM) (AV:N/AC:L/Au:N/C:N/I:N/A:P) (legend)
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service

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External Source: SUSE
Name: SUSE-SR:2009:012
External Source: DEBIAN
Name: DSA-1899
External Source: MLIST
Name: [strongSwan] 20090527 [strongSwan] ANNOUNCE: strongSwan 4.3.1 and 4.2.15 released
External Source: BID
Name: 35178
External Source: CONFIRM
Name: http://download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.readme
Type: Advisory
External Source: CONFIRM
Name: http://download.strongswan.org/patches/03_invalid_ike_state_patch/strongswan-4.x.x_invalid_ike_state.patch
Type: Patch Information
External Source: CONFIRM
Name: http://download.strongswan.org/CHANGES4.txt
Type: Patch Information

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:strongswan:strongswan:2.0.0
* cpe:/a:strongswan:strongswan:2.0.1
* cpe:/a:strongswan:strongswan:2.0.2
* cpe:/a:strongswan:strongswan:2.1.0
* cpe:/a:strongswan:strongswan:2.1.1
* cpe:/a:strongswan:strongswan:2.1.2
* cpe:/a:strongswan:strongswan:2.1.3
* cpe:/a:strongswan:strongswan:2.1.4
* cpe:/a:strongswan:strongswan:2.1.5
* cpe:/a:strongswan:strongswan:2.2.0
* cpe:/a:strongswan:strongswan:2.2.1
* cpe:/a:strongswan:strongswan:2.2.2
* cpe:/a:strongswan:strongswan:2.3.0
* cpe:/a:strongswan:strongswan:2.3.1
* cpe:/a:strongswan:strongswan:2.3.2
* cpe:/a:strongswan:strongswan:2.4.0
* cpe:/a:strongswan:strongswan:2.4.0a
* cpe:/a:strongswan:strongswan:2.4.1
* cpe:/a:strongswan:strongswan:2.4.2
* cpe:/a:strongswan:strongswan:2.4.3
* cpe:/a:strongswan:strongswan:2.4.4
* cpe:/a:strongswan:strongswan:2.5.0
* cpe:/a:strongswan:strongswan:2.5.1
* cpe:/a:strongswan:strongswan:2.5.2
* cpe:/a:strongswan:strongswan:2.5.3
* cpe:/a:strongswan:strongswan:2.5.4
* cpe:/a:strongswan:strongswan:2.5.5
* cpe:/a:strongswan:strongswan:2.5.6
* cpe:/a:strongswan:strongswan:2.5.7
* cpe:/a:strongswan:strongswan:2.6.0
* cpe:/a:strongswan:strongswan:2.6.1
* cpe:/a:strongswan:strongswan:2.6.16
* cpe:/a:strongswan:strongswan:2.6.2
* cpe:/a:strongswan:strongswan:2.6.20
* cpe:/a:strongswan:strongswan:2.6.3
* cpe:/a:strongswan:strongswan:2.6.4
* cpe:/a:strongswan:strongswan:2.7.0
* cpe:/a:strongswan:strongswan:2.8.0
* cpe:/a:strongswan:strongswan:2.8.1
* cpe:/a:strongswan:strongswan:2.8.2
* cpe:/a:strongswan:strongswan:2.8.3
* cpe:/a:strongswan:strongswan:2.8.4
* cpe:/a:strongswan:strongswan:2.8.5
* cpe:/a:strongswan:strongswan:2.8.6
* cpe:/a:strongswan:strongswan:2.8.7
* cpe:/a:strongswan:strongswan:2.8.8
* cpe:/a:strongswan:strongswan:4.0.0
* cpe:/a:strongswan:strongswan:4.0.1
* cpe:/a:strongswan:strongswan:4.0.2
* cpe:/a:strongswan:strongswan:4.0.3
* cpe:/a:strongswan:strongswan:4.0.4
* cpe:/a:strongswan:strongswan:4.0.5
* cpe:/a:strongswan:strongswan:4.0.6
* cpe:/a:strongswan:strongswan:4.0.7
* cpe:/a:strongswan:strongswan:4.1.0
* cpe:/a:strongswan:strongswan:4.1.1
* cpe:/a:strongswan:strongswan:4.1.10
* cpe:/a:strongswan:strongswan:4.1.11
* cpe:/a:strongswan:strongswan:4.1.2
* cpe:/a:strongswan:strongswan:4.1.3
* cpe:/a:strongswan:strongswan:4.1.5
* cpe:/a:strongswan:strongswan:4.1.4
* cpe:/a:strongswan:strongswan:4.1.6
* cpe:/a:strongswan:strongswan:4.1.7
* cpe:/a:strongswan:strongswan:4.1.8
* cpe:/a:strongswan:strongswan:4.1.9
* cpe:/a:strongswan:strongswan:4.2.0
* cpe:/a:strongswan:strongswan:4.2.1
* cpe:/a:strongswan:strongswan:4.2.10
* cpe:/a:strongswan:strongswan:4.3.0 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

Vulnerability Type (View All)
  • Resource Management Errors (CWE-399)