Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 544
Alerts This Week
Warning Icon 1 544

Gentoo: GLSA-202110-15 High: SystemD Vulnerability and Its Implications

gentoo
Calendar Grey March 6, 2012
Scroller Gentoo
Regional intruders could exploit sudo flaws to achieve higher access rights. Immediate update advised for Gentoo users.
Two vulnerabilities have been discovered in sudo, allowing local attackers to possibly gain escalated privileges.

Summary

Two vulnerabilities have been discovered in sudo: * When the sudoers file is configured with a Runas group, sudo does not prompt for a password when changing to the new group (CVE-2011-0010). * A format string vulnerability exists in the "sudo_debug()" function (CVE-2012-0809).

Topics%20covered

Topics Covered

security advisory Gentoo high severity privilege escalation sudo local threat

Resolution

All sudo users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.8.3_p2"

References

[ 1 ] CVE-2011-0010 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-0010 [ 2 ] CVE-2012-0809 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0809

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201203-06
style>.gentoo_availability{display:block;}

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: March 06, 2012
Bugs: #351490, #401533
ID: 201203-06

Topics%20covered

Topics Covered

security advisory Gentoo high severity privilege escalation sudo local threat

Synopsis

Two vulnerabilities have been discovered in sudo, allowing local attackers to possibly gain escalated privileges.

Background

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

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-admin/sudo < 1.8.3_p2 >= 1.8.3_p2 *>= 1.7.4_p5

Impact

===== A local attacker could possibly gain the ability to run arbitrary commands with the privileges of other users or groups, including root.

Workaround

There is no known workaround at this time.