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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 >> Ubuntu Local Security Checks >> USN28-1 : sudo vulnerability Vulnerability Assessment Details
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USN28-1 : sudo vulnerability |
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sudo vulnerability Detailed Explanation for this Vulnerability Assessment Summary : The remote package "sudo" is missing a security patch. Description : Liam Helmer discovered an input validation flaw in sudo. When the standard shell "bash" starts up, it searches the environment for variables with a value beginning with "()". For each of these variables a function with the same name is created, with the function body filled in from the environment variable's value. A malicious user with sudo access to a shell script that uses bash can use this feature to substitute arbitrary commands for any non-fully-qualified programs called from the script. Therefore this flaw can lead to privilege escalation. Solution : Upgrade to : - sudo-1.6.7p5-1ubuntu4.1 (Ubuntu 4.10) Network Security Threat Level: High Networks Security ID: Vulnerability Assessment Copyright: Ubuntu Security Notice (C) 2005 Canonical, Inc. / NASL script (C) 2005 Michel Arboi |
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