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Test ID:1.3.6.1.4.1.25623.1.0.67046
Category:Ubuntu Local Security Checks
Title:Ubuntu USN-905-1 (sudo)
Summary:Ubuntu USN-905-1 (sudo)
Description:The remote host is missing an update to sudo
announced via advisory USN-905-1.

Details follow:

It was discovered that sudo did not properly validate the path for the
'sudoedit' pseudo-command. A local attacker could exploit this to execute
arbitrary code as root if sudo was configured to allow the attacker to use
sudoedit. The sudoedit pseudo-command is not used in the default
installation of Ubuntu. (CVE-2010-0426)

It was discovered that sudo did not reset group permissions when the
'runas_default' configuration option was used. A local attacker could
exploit this to escalate group privileges if sudo was configured to allow
the attacker to run commands under the runas_default account. The
runas_default configuration option is not used in the default installation
of Ubuntu. This issue affected Ubuntu 8.04 LTS, 8.10 and 9.04.
(CVE-2010-0427)

Solution:
The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 6.06 LTS:
sudo 1.6.8p12-1ubuntu6.1
sudo-ldap 1.6.8p12-1ubuntu6.1

Ubuntu 8.04 LTS:
sudo 1.6.9p10-1ubuntu3.6
sudo-ldap 1.6.9p10-1ubuntu3.6

Ubuntu 8.10:
sudo 1.6.9p17-1ubuntu2.2
sudo-ldap 1.6.9p17-1ubuntu2.2

Ubuntu 9.04:
sudo 1.6.9p17-1ubuntu3.1
sudo-ldap 1.6.9p17-1ubuntu3.1

Ubuntu 9.10:
sudo 1.7.0-1ubuntu2.1
sudo-ldap 1.7.0-1ubuntu2.1

In general, a standard system upgrade is sufficient to effect the
necessary changes.

http://www.securityspace.com/smysecure/catid.html?in=USN-905-1

Risk factor : High
Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2010-0426
Bugtraq: 20101027 rPSA-2010-0075-1 sudo (Google Search)
http://www.securityfocus.com/archive/1/archive/1/514489/100/0/threaded
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=570737
http://www.linuxquestions.org/questions/linux-security-4/the-use-of-sudoedit-command-question-785442/
Debian Security Information: DSA-2006 (Google Search)
http://www.debian.org/security/2010/dsa-2006
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/040578.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/040588.html
http://www.gentoo.org/security/en/glsa/glsa-201003-01.xml
http://www.mandriva.com/security/advisories?name=MDVSA-2010:049
http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.577019
SuSE Security Announcement: SUSE-SR:2010:006 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2010-03/msg00004.html
http://www.ubuntu.com/usn/USN-905-1
BugTraq ID: 38362
http://www.securityfocus.com/bid/38362
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10814
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7238
http://securitytracker.com/id?1023658
http://secunia.com/advisories/38659
http://secunia.com/advisories/38915
http://secunia.com/advisories/38795
http://secunia.com/advisories/38803
http://secunia.com/advisories/39399
http://secunia.com/advisories/38762
http://www.vupen.com/english/advisories/2010/0450
http://www.vupen.com/english/advisories/2010/0949
Common Vulnerability Exposure (CVE) ID: CVE-2010-0427
http://www.openwall.com/lists/oss-security/2010/02/23/4
http://www.openwall.com/lists/oss-security/2010/02/24/5
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10946
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7216
CopyrightCopyright (c) 2010 E-Soft Inc. http://www.securityspace.com

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