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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 >> USN255-1 : openssh vulnerability Vulnerability Assessment Details
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USN255-1 : openssh vulnerability |
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openssh vulnerability Detailed Explanation for this Vulnerability Assessment Summary : These remote packages are missing security patches : - openssh-client - openssh-server - ssh - ssh-askpass-gnome Description : Tomas Mraz discovered a shell code injection flaw in scp. When doing local-to-local or remote-to-remote copying, scp expanded shell escape characters. By tricking an user into using scp on a specially crafted file name (which could also be caught by using an innocuous wild card like '*'), a possible hacker could exploit this to execute arbitrary shell commands with the privilege of that user. Please be aware that scp is not designed to operate securely on untrusted file names, since it needs to stay compatible with rcp. Please use sftp for automated systems and potentially untrusted file names. Solution : Upgrade to : - openssh-client-4.1p1-7ubuntu4.1 (Ubuntu 5.10) - openssh-server-4.1p1-7ubuntu4.1 (Ubuntu 5.10) - ssh-4.1p1-7ubuntu4.1 (Ubuntu 5.10) - ssh-askpass-gnome-4.1p1-7ubuntu4.1 (Ubuntu 5.10) 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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