17396 : sudo sudoers ALL Entry Race Condition
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
11	1280	almost 8 years ago	3 months ago	4 times	100%

Timeline

Disclosure Date
2005-06-21

Time to Exploit
551 days

Description

sudo contains a flaw that may allow a malicious user to gain access to unauthorized privileges. The issue can be triggered by a user who already has some kind of sudo access, and they can leverage sudo to run arbitrary commands as other users. This flaw will most likely lead to a root compromise.

Classification

Location: Local Access Required
Attack Type: Race Condition
Impact: Loss of Integrity
Solution: Workaround, Patch / RCS
Exploit: Exploit Public
Disclosure: Vendor Verified, Vendor Verified, Third-party Verified, Coordinated Disclosure

Solution

Upgrade to version 1.6.8 patchlevel 9 or higher, as it has been reported to fix this vulnerability. A workaround can be achieved if care is taken in the order of the lines in the sudoers file. Entries with ALL should come after all other entries.

Products

Sudo	Sudo	1.3.1
		1.3.1p2
		1.3.1p3
		1.3.1p4
		1.3.1p5
		1.3.1p6
		1.3.1p7
		1.3.1p8
		1.3.1p9
		1.3.1p10
		1.3.1p11
		1.3.1p12
		1.3.1p13
		1.3.1p14
		1.3.2 BETA
		1.3.3 BETA
		1.3.4 BETA
		1.3.5 BETA
		1.3.6 BETA
		1.3.7 GAMMA
		1.4
		1.4.1
		1.4.2
		1.4.3
		1.4.4
		1.4.5
		1.5
		1.5.1
		1.5.2
		1.5.3
		1.5.4
		1.5.5
		1.5.6
		1.5.7
		1.5.8
		1.5.8p1
		1.5.8p2
		1.6
		1.6.1
		1.6.2
		1.6.3
		1.6.3p1
		1.6.3p2
		1.6.3p3
		1.6.3p4
		1.6.3p5
		1.6.3p6
		1.6.3p7
		1.6.4
		1.6.4p1
		1.6.4p2
		1.6.5
		1.6.5p1
		1.6.5p2
		1.6.6
		1.6.7
		1.6.7p1
		1.6.7p2
		1.6.7p3
		1.6.7p4
		1.6.7p5
		1.6.8
		1.6.8p1
		1.6.8p2
1.6.8p3
1.6.8p4
1.6.8p5
1.6.8p6
1.6.8p7
1.6.8p8

References

Security Tracker: 1014241
Bugtraq ID: 13993
Secunia Advisory ID: 15744 15748 15782 15807 15820 15881 15935 16413 17813
CVE ID: 2005-1993 (see also: NVD)
Keyword: APPLE-SA-2005-11-29 Security Update 2005-009
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2005-06/0149.html
http://archives.neohapsis.com/archives/bugtraq/2005-11/0354.html
Other Advisory URL: http://distro.conectiva.com.br/atualizacoes/index.php?id=a&anuncio=000976
http://docs.info.apple.com/article.html?artnum=302847
http://www.debian.org/security/2005/dsa-773
http://www.gentoo.org/security/en/glsa/glsa-200506-22.xml
http://www.novell.com/linux/security/advisories/2005_36_sudo.html
http://www.openbsd.org/errata.html#sudo
http://www.sudo.ws/sudo/alerts/path_race.html
http://www.trustix.org/errata/2005/0029/
Vendor Specific Advisory URL: http://frontal1.mandriva.com/security/advisories?name=MDKSA-2005:103
http://lists.debian.org/debian-security-announce/debian-security-announce-2005/msg00118.html
http://slackware.com/security/viewer.php?l=slackware-security&y=2005&m=slackware-security.403758
http://www.ubuntulinux.org/support/documentation/usn/usn-142-1
Generic Exploit URL: http://rst.void.ru/download/r57sudo.c
http://www.securiteam.com/unixfocus/5CP011PGBM.html
RedHat RHSA: RHSA-2005:535

Tools & Filters

	18542 18550 18579 18594 18603 18906 20535
	3042 3112 3308

Credit

Charles A. Morris - Old Dominion University

CVSSv2 Score

CVSSv2 Base Score = 3.7
Source: nvd.nist.gov | Generated: 2005-06-21 | Disagree?

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