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Alerts This Week
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Alerts This Week
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Gentoo: GLSA-201406-30 High: Sudo Privilege Escalation Threat

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Calendar Grey June 27, 2014
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A key security alert is out for Gentoo, highlighting a major vulnerability that enables local attackers to escalate privileges via sudo, risking unauthorized admin access
A vulnerability has been found in sudo allowing a local attacker to gain elevated privileges.

Summary

When the Sudo env_reset option is disabled (it is enabled by default), certain environment variables are not blacklisted as expected.

Topics%20covered

Topics Covered

security advisory high severity gentoo software update privilege escalation local attack sudo escalation

Resolution

All sudo users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.8.5"

References

[ 1 ] CVE-2014-0106 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0106

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201406-30
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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: June 27, 2014
Bugs: #503586
ID: 201406-30

Topics%20covered

Topics Covered

security advisory high severity gentoo software update privilege escalation local attack sudo escalation

Synopsis

A vulnerability has been found in sudo allowing a local attacker to gain elevated privileges.

Background

sudo allows a system administrator to give users the ability to run commands as other users. Access to commands may also be granted on a range to hosts.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-admin/sudo < 1.8.5 >= 1.8.5 < 1.6.9

Impact

===== A local attacker, authorized to run commands using sudo, can use this flaw to execute arbitrary code or escalate his privileges.

Workaround

There is no known workaround at this time.