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Alerts This Week
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Gentoo: GLSA-202305-15 Critical: Nginx Denial of Service Vulnerability

gentoo
Calendar Grey May 3, 2023
Dist Gentoo Esm H88
An alarming security vulnerability in uptimed on Gentoo necessitates immediate updates to ensure user safety.
A vulnerability has been discovered in uptimed which could result in root privilege escalation.

Summary

Via unnecessary file ownership modifications in the pkg_postinst ebuild phase, the uptimed user could change arbitrary files to be owned by the uptimed user at emerge-time.

Topics%20covered

Topics Covered

security advisory high severity gentoo privilege escalation uptimed

Resolution

All uptimed users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-misc/uptimed-0.4.6-r1"

References

[ 1 ] CVE-2020-36657 https://nvd.nist.gov/vuln/detail/CVE-2020-36657

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202305-14
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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: uptimed: Root Privilege Escalation
Date: May 03, 2023
Bugs: #630810
ID: 202305-14

Topics%20covered

Topics Covered

security advisory high severity gentoo privilege escalation uptimed

Synopsis

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

Background

uptimed is a system uptime record daemon that keeps track of your highest uptimes.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-misc/uptimed < 0.4.6-r1 >= 0.4.6-r1

Impact

===== The uptimed user could achieve root privileges when the uptimed package is emerged.

Workaround

There is no known workaround at this time.

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