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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-2003-259: gdm Vulnerability Assessment Details
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RHSA-2003-259: gdm |
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Check for the version of the gdm packages Detailed Explanation for this Vulnerability Assessment Updated GDM packages are available which correct a local crash if XDMCP is enabled. GDM is the GNOME Display Manager for X. Two bugs have been found in the X Display Manager Control Protocol (XDMCP) which could permit a denial of service attack (DoS) by crashing the gdm daemon. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the names CVE-2003-0548 and CVE-2003-0549 to these issues. This attack is only possible if XDMCP is enabled. XDMCP is not enabled by default in Red Hat Enterprise Linux distributions. In addition is documented best practise that XDMCP should only ever be run on trusted networks. Users of XDMCP in GDM should upgrade to these erratum packages which contain backported security fixes are are not vulnerable to these issues. Note that Red Hat Enterprise Linux 2.1 is not vulnerable to CVE-2003-0547, a vulnerability that permits a local user to read any text file, as it did not have the "examine session errors" feature. Solution : http://rhn.redhat.com/errata/RHSA-2003-259.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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