PT-2009-1041 · Ipsec Tools+1 · Ipsec-Tools+1
Tomas Hoger
·
Published
2009-05-14
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Updated
2017-09-29
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CVE-2009-1632
CVSS v2.0
7.8
High
| Vector | AV:N/AC:L/Au:N/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Ipsec-tools versions prior to 0.7.2
Description
The issue involves multiple memory leaks that can be exploited by remote attackers to cause a denial of service, specifically memory consumption. This can occur through vectors involving signature verification during user authentication with X.509 certificates, related to the
eay check x509sign function, and the NAT-Traversal (aka NAT-T) keepalive implementation. The exploitation of these vulnerabilities can lead to a disruption in the availability of protected information and can be carried out remotely.Recommendations
For versions prior to 0.7.2, update to version 0.7.2 or later to resolve the issue. As a temporary workaround, consider restricting access to the NAT-Traversal (NAT-T) keepalive implementation and the
eay check x509sign function until a patch is available. Avoid using X.509 certificates for user authentication until the issue is resolved.Fix
DoS
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Weakness Enumeration
Related Identifiers
Affected Products
Ipsec-Tools
Red Hat