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Gentoo: GLSA-202303-14 Critical: Sudo Vulnerability Exploitation Risk

gentoo
Calendar Grey September 7, 2010
Dist Gentoo Esm H88
Regional cybercriminals may leverage sudo loopholes in Gentoo systems, allowing them to gain higher privileges. Ensure timely updates to address this critical security threat.
The secure path feature and group handling in sudo allow local attackers to escalate privileges.

Summary

Multiple vulnerabilities have been reported in sudo: * Evan Broder and Anders Kaseorg of Ksplice, Inc. reported that the sudo 'secure path' feature does not properly handle multiple PATH variables (CVE-2010-1646).
* Markus Wuethrich of Swiss Post reported that sudo fails to restrict access when using Runas groups and the group (-g) command line option (CVE-2010-2956).

Topics%20covered

Topics Covered

security advisory high severity gentoo software update privilege escalation sudo

Resolution

All sudo users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.7.4_p3-r1"

References

[ 1 ] CVE-2010-1646 https://www.cve.org/CVERecord?id=CVE-2010-1646 [ 2 ] CVE-2010-2956 https://www.cve.org/CVERecord?id=CVE-2010-2956

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201009-03
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: sudo: Privilege Escalation
Date: September 07, 2010
Bugs: #322517, #335381
ID: 201009-03

Topics%20covered

Topics Covered

security advisory high severity gentoo software update privilege escalation sudo

Synopsis

The secure path feature and group handling in sudo allow local attackers to escalate privileges.

Background

sudo allows a system administrator to give users the ability to run commands as other users.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-admin/sudo < 1.7.4_p3-r1 >= 1.7.4_p3-r1

Impact

===== A local attacker could exploit these vulnerabilities to gain the ability to run certain commands with the privileges of other users, including root, depending on the configuration.

Workaround

There is no known workaround at this time.

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