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Gentoo Linux: GLSA-202409-01 Normal: Portage Unverified PGP Signatures

gentoo
Calendar Grey September 22, 2024
Dist Gentoo Esm H88
Familiarize yourself with the Gentoo Linux notice regarding unverified PGP signatures in the Portage system, and explore the measures needed to enhance your system's security.
A vulnerability has been discovered in Portage, where PGP signatures would not be verified.

Summary

Multiple vulnerabilities have been discovered in Portage. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory update gentoo man-in-the-middle normal severity portage PGP signatures

Resolution

All Portage users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/portage-3.0.47"

References

[ 1 ] CVE-2016-20021 https://nvd.nist.gov/vuln/detail/CVE-2016-20021

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202409-01
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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: Normal
Title: Portage: Unverified PGP Signatures
Date: September 22, 2024
Bugs: #905356
ID: 202409-01

Topics%20covered

Topics Covered

security advisory update gentoo man-in-the-middle normal severity portage PGP signatures

Synopsis

A vulnerability has been discovered in Portage, where PGP signatures would not be verified.

Background

Portage is the default Gentoo package management system.

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Affected Packages

Package Vulnerable Unaffected ---------------- ------------ ------------ sys-apps/portage < 3.0.47 >= 3.0.47

Impact

When using the webrsync mechanism to sync the tree the PGP signatures that protect the integrity of the data in the tree would not be verified. This would allow a man-in-the-middle attack to inject arbitrary content into the tree.

Workaround

There is no known workaround at this time.

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