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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 >> Red Hat Local Security Checks >> RHSA-2003-028: pam Vulnerability Assessment Details
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RHSA-2003-028: pam |
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Check for the version of the pam packages Detailed Explanation for this Vulnerability Assessment Updated PAM packages are now available. These packages correct a bug in pam_xauth's handling of authorization data for the root user. [Updated 12 March 2003] Added packages for Red Hat Enterprise Linux ES and Red Hat Enterprise Linux WS The pam_xauth module is used to forward xauth information from user to user in applications such as the su command. Andreas Beck discovered that pam_xauth will forward authorization information from the root account to unprivileged users. This could be used by a local attacker to gain access to an administrator's X session. To exploit this vulnerability the attacker would have to get the administrator, as root, to use su to access the account belonging to the attacker. Users of pam_xauth are advised to upgrade to these errata packages which contain a patch which adds ACL (access control list) functionality to pam_xauth and dispermits root forwarding by default. Thanks to Andreas Beck for reporting this issue. Solution : http://rhn.redhat.com/errata/RHSA-2003-028.html Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: This script is Copyright (C) 2004 Tenable Network Security |
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