Vulnerability Monitor

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CVE-2013-6075

The compare_dn function in utils/identification.c in strongSwan 4.3.3 through 5.1.1 allows (1) remote attackers to cause a denial of service (out-of-bounds read, NULL pointer dereference, and daemon crash) or (2) remote authenticated users to impersonate arbitrary users and bypass access restrictions via a crafted ID_DER_ASN1_DN ID, related to an "insufficient length check" during identity comparison.

Published

2013-11-02T18:55:03.283

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 5.0 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	strongswan	strongswan	4.3.3	Yes
Application	strongswan	strongswan	4.3.4	Yes
Application	strongswan	strongswan	4.3.5	Yes
Application	strongswan	strongswan	4.3.6	Yes
Application	strongswan	strongswan	4.3.7	Yes
Application	strongswan	strongswan	4.4.0	Yes
Application	strongswan	strongswan	4.4.1	Yes
Application	strongswan	strongswan	4.5.0	Yes
Application	strongswan	strongswan	4.5.1	Yes
Application	strongswan	strongswan	4.5.2	Yes
Application	strongswan	strongswan	4.5.3	Yes
Application	strongswan	strongswan	4.6.0	Yes
Application	strongswan	strongswan	4.6.1	Yes
Application	strongswan	strongswan	4.6.2	Yes
Application	strongswan	strongswan	4.6.3	Yes
Application	strongswan	strongswan	4.6.4	Yes
Application	strongswan	strongswan	5.0.0	Yes
Application	strongswan	strongswan	5.0.1	Yes
Application	strongswan	strongswan	5.0.2	Yes
Application	strongswan	strongswan	5.0.3	Yes
Application	strongswan	strongswan	5.0.4	Yes
Application	strongswan	strongswan	5.1.0	Yes

References

http://download.strongswan.org/security/CVE-2013-6075/strongswan-4.3.3-5.1.0_id_dn_match.patch Patch ([email protected])
http://www.debian.org/security/2012/dsa-2789 ([email protected])
http://www.strongswan.org/blog/2013/11/01/strongswan-denial-of-service-vulnerability-%28cve-2013-6075%29.html Patch, Vendor Advisory ([email protected])
http://download.strongswan.org/security/CVE-2013-6075/strongswan-4.3.3-5.1.0_id_dn_match.patch Patch (af854a3a-2127-422b-91ae-364da2661108)
http://www.debian.org/security/2012/dsa-2789 (af854a3a-2127-422b-91ae-364da2661108)
http://www.strongswan.org/blog/2013/11/01/strongswan-denial-of-service-vulnerability-%28cve-2013-6075%29.html Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)