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StrongSwan/Openswan Denial Of Service Vulnerability June-09

Information

Severity

Severity

Medium

Family

Family

Denial of Service

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

13 years ago

Modified

Modified

4 years ago

Summary

The host is installed with strongSwan/Openswan and is prone to Denial of Service vulnerability.

Insight

Insight

- Error in 'ASN.1' parser in pluto/asn1.c, libstrongswan/asn1/asn1.c, and libstrongswan/asn1/asn1_parser.c is caused via an 'X.509' certificate with crafted Relative Distinguished Names (RDNs), a crafted UTCTIME string, or a crafted GENERALIZEDTIME string.

Affected Software

Affected Software

OpenSwan version 2.6 before 2.6.22 and 2.4 before 2.4.15 strongSwan version 2.8 before 2.8.10, 4.2 before 4.2.16, and 4.3 before 4.3.2

Solution

Solution

Upgrade to OpenSwan version 2.6.22 or 2.4.15 Upgrade to strongSwan version 2.8.10 or 4.2.16 or 4.3.2.

Common Vulnerabilities and Exposures (CVE)