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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA634] DSA-634-1 hylafax Vulnerability Assessment Details
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[DSA634] DSA-634-1 hylafax |
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DSA-634-1 hylafax Detailed Explanation for this Vulnerability Assessment Patrice Fournier discovered a vulnerability in the authorisation subsystem of hylafax, a flexible client/server fax system. A local or remote user guessing the contents of the hosts.hfaxd database could gain unauthorised access to the fax system. Some installations of hylafax may actually utilise the weak hostname and username validation for authorized uses. For example, hosts.hfaxd entries that may be common are 192.168.0 username:uid:pass:adminpass user@host After updating, these entries will need to be modified in order to continue to function. Respectively, the correct entries should be 192.168.0.[0-9]+ username@:uid:pass:adminpass user@host Unless such matching of "username" with "otherusername" and "host" with "hostname" is desired, the proper form of these entries should include the delimiter and markers like this @192.168.0.[0-9]+$ ^username@:uid:pass:adminpass ^user@host$ For the stable distribution (woody) this problem has been fixed in version 4.1.1-3.1. For the unstable distribution (sid) this problem has been fixed in version 4.2.1-1. We recommend that you upgrade your hylafax packages. Solution : http://www.debian.org/security/2005/dsa-634 Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi |
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