The Internet Key Exchange version 1 (IKEv1) implementation in Astaro Security Linux before 6.102 allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted IKE packets, as demonstrated by the PROTOS ISAKMP Test Suite for IKEv1. NOTE: due to the lack of details in the advisory, it is unclear which of CVE-2005-3666, CVE-2005-3667, and/or CVE-2005-3668 this issue applies to.

The HTTP proxy in Astaro Security Linux 6.0 does not properly filter HTTP CONNECT requests to localhost, which allows remote attackers to bypass firewall rules and connect to local services.

Directory traversal vulnerability in Astaro Security Linux 6.0, when using Webmin, allows remote authenticated webmin users to read arbitrary files via a .. (dot dot) in the wfe_download parameter to index.fpl.

The HTTP proxy in Astaro Security Linux 6.0 allows remote attackers to obtain sensitive information via an invalid request, which reveals a Proxy-authorization string in an error message.