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Gentoo: GLSA-202305-12 High Severity: sudo Root Privilege Escalation

gentoo
Calendar Grey May 3, 2023
Dist Gentoo Esm H88
Gentoo Linux Advisory GLSA 202305-13: Critical patch for bash with severe vulnerabilities allowing potential execution of arbitrary code.
A vulnerability has been discovered in sudo which could result in root privilege escalation.

Summary

The sudoedit (aka -e) feature mishandles extra arguments passed in the user-provided environment variables (SUDO_EDITOR, VISUAL, and EDITOR), allowing a local attacker to append arbitrary entries to the list of files to process.

Topics%20covered

Topics Covered

security advisory high severity gentoo privilege escalation sudo

Resolution

All sudo users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-admin/sudo-1.9.12_p2"

References

[ 1 ] CVE-2023-22809 https://nvd.nist.gov/vuln/detail/CVE-2023-22809

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202305-12
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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: Root Privilege Escalation
Date: May 03, 2023
Bugs: #891335
ID: 202305-12

Topics%20covered

Topics Covered

security advisory high severity gentoo privilege escalation sudo

Synopsis

A vulnerability has been discovered in sudo which could result in root privilege escalation.

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 < 1.9.12_p2 >= 1.9.12_p2

Impact

===== The improper processing of user's environment variables could lead to the editing of arbitrary files as root, potentially leading to root privilege escalation.

Workaround

There is no known workaround at this time.

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