CVE-2016-20021

Critical

Description

In Gentoo Portage before 3.0.47, there is missing PGP validation of executed code: the standalone emerge-webrsync downloads a .gpgsig file but does not perform signature verification. Unless emerge-webrsync is used, Portage is not vulnerable.

SeverityCritical
CVSS9.8
Exploit probability41. percentile0.5%
ProductGentoo Portage
PublishedJan 12, 2024
First seenJan 12, 2024
Weakness typeCWE-347CWE-347

How to fix

Update
  • gentoo portage3.0.47 or later
  • portage3.0.47 or later

Affected products

ProductAffected versionsFixed in
gentoo portagev < 3.0.473.0.47
portagePyPIv < 3.0.473.0.47

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