65083 : sudo env.c secure path Restrictions Bypass Arbitrary File Execution
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
12	1763	almost 3 years ago	over 2 years ago	14 times	100%

Timeline

Disclosure Date
2010-06-03

Description

sudo contains a flaw that may allow an attacker to execute arbitrary files with elevated privileges. The issue is triggered when sudo is configured to use a secure path and the PATH variable is defined twice.

Classification

Location: Local Access Required
Attack Type: Authentication Management, Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified, Vendor Verified, Coordinated Disclosure
OSVDB: Authentication Required, Security Software

Solution

Upgrade to version 1.6.9p23 and sudo 1.7.2p7 or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Sudo	Sudo	1.3.1
		1.6.3
		1.6.5
		1.4
		1.6.6
		1.5
		1.6
		1.6.4
		1.6.1
		1.6.2
		1.6.8
		1.6.9
		1.6.9p22
		1.7.0
		1.7.2p6
		1.6.9p23 (not affected)
		1.7.2p7 (not affected)

MN Tech Solutions

Theeta CMS

0.01

References

CVE ID: 2010-1646 (see also: NVD)
Secunia Advisory ID: 39638 40002 40114 40188 40215 40508 41618 42198 43068
Bugtraq ID: 40538
Other Advisory URL: http://blogs.sun.com/security/entry/cve_2010_1646_sudo_path
Vendor Specific Advisory URL: http://lists.debian.org/debian-security-announce/2010/msg00106.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/042838.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043012.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-June/043026.html
http://www.gentoo.org/security/en/glsa/glsa-201009-03.xml
Vendor Specific News/Changelog Entry: http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
http://lists.vmware.com/pipermail/security-announce/2010/000106.html
http://www.sudo.ws/repos/sudo/rev/3057fde43cf0
http://www.sudo.ws/repos/sudo/rev/a09c6812eaec
http://www.sudo.ws/sudo/alerts/secure_path.html
https://bugzilla.redhat.com/show_bug.cgi?id=598154
https://lists.ubuntu.com/archives/ubuntu-security-announce/2010-June/001115.html
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2010-0475.html

Tools & Filters

	49124

Credit

Evan Broder - Ksplice
Anders Kaseorg - Ksplice

CVSSv2 Score

CVSSv2 Base Score = 6.2
Source: nvd.nist.gov | Generated: 2010-06-07 | Disagree?

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