Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2009-2661

Severity CVSS v4.0:
Pending analysis
Type:
CWE-310 Cryptographic Issues
Publication date:
04/08/2009
Last modified:
09/04/2025

Description

The asn1_length function in strongSwan 2.8 before 2.8.11, 4.2 before 4.2.17, and 4.3 before 4.3.3 does not properly handle X.509 certificates with crafted Relative Distinguished Names (RDNs), which allows remote attackers to cause a denial of service (pluto IKE daemon crash) via malformed ASN.1 data. NOTE: this is due to an incomplete fix for CVE-2009-2185.

Impact

Vector 2.0
AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0
5.00
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
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:2.8.10:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.0:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:strongswan:strongswan:4.2.10:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools