Test ID:	1.3.6.1.4.1.25623.1.0.56155
Category:	Ubuntu Local Security Checks
Title:	Ubuntu USN-235-2 (sudo)
Summary:	NOSUMMARY
Description:	Description: The remote host is missing an update to sudo announced via advisory USN-235-2. A security issue affects the following Ubuntu releases: Ubuntu 4.10 (Warty Warthog) Ubuntu 5.04 (Hoary Hedgehog) Ubuntu 5.10 (Breezy Badger) The following packages are affected: sudo 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 their privileges. 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 installation, or any setup that just grants full root privileges to certain users. Solution: The problem can be corrected by upgrading the affected package to version 1.6.7p5-1ubuntu4.5 (for Ubuntu 4.10), 1.6.8p5-1ubuntu2.4 (for Ubuntu 5.04), or 1.6.8p9-2ubuntu2.3 (for Ubuntu 5.10). In general, a standard system upgrade is sufficient to effect the necessary changes. http://www.securityspace.com/smysecure/catid.html?in=USN-235-2 Risk factor : Medium CVSS Score: 4.6
Cross-Ref:	BugTraq ID: 15394 Common Vulnerability Exposure (CVE) ID: CVE-2005-4158 http://www.securityfocus.com/bid/15394 Debian Security Information: DSA-946 (Google Search) http://www.debian.org/security/2006/dsa-946 http://www.mandriva.com/security/advisories?name=MDKSA-2005:234 http://www.mandriva.com/security/advisories?name=MDKSA-2006:159 http://securitytracker.com/alerts/2005/Nov/1015192.html http://secunia.com/advisories/17534/ http://secunia.com/advisories/18102 http://secunia.com/advisories/18156 http://secunia.com/advisories/18308 http://secunia.com/advisories/18463 http://secunia.com/advisories/18549 http://secunia.com/advisories/18558 http://secunia.com/advisories/21692 SuSE Security Announcement: SUSE-SR:2006:002 (Google Search) http://www.novell.com/linux/security/advisories/2006_02_sr.html http://www.trustix.org/errata/2006/0002/ https://www.ubuntu.com/usn/usn-235-1/ http://www.vupen.com/english/advisories/2005/2386 XForce ISS Database: sudo-perl-execute-code(23102) https://exchange.xforce.ibmcloud.com/vulnerabilities/23102
Copyright	Copyright (c) 2006 E-Soft Inc. http://www.securityspace.com

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