Vulnerability Assessment & Network Security Forums
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.
Vulnerability Assessment Details
Detailed Explanation for this Vulnerability Assessment
The remote package "sudo" is missing a security patch.
USN-235-1 fixed a vulnerability in sudo's handling of environment
variables. Tavis Ormandy noticed that sudo did not filter out the
PYTHONINSPECT environment variable, so that users with the limited
privilege of calling a python script with sudo could still escalate
For reference, this is the original advisory:
Charles Morris discovered a privilege escalation vulnerability in
sudo. On executing Perl scripts with sudo, various environment
variables that affect Perl's library search path were not cleaned
properly. If sudo is set up to grant limited sudo execution of Perl
scripts to normal users, this could be exploited to run arbitrary
commands as the target user.
This security update also filters out environment variables that can
be exploited similarly with Python, Ruby, and zsh scripts.
Please note that this does not affect the default Ubuntu
or any setup that just grants full root rights to certain users.
Upgrade to :
- sudo-1.6.8p9-2ubuntu2.3 (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
|Dell PowerEdge R710 2x X5690 3.46GHz 6 Core 48GB 8x 300GB 10K SAS PERC 6/i
|DELL POWEREDGE M820 TWO E5-4640 2.4GHZ 64GB 2 X 600GB 10K SAS H710P
|DELL POWEREDGE M820 FOUR E5-4650L 2.6GHZ 160GB 3 X 1TB SATA H710
|DELL POWEREDGE M620 REF TWO E5-2630V2 2.60GHZ 64GB 600GB 15K SAS H310
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