CVE-2016-20021 — CRITICAL (9.8)

Q: How severe is CVE-2016-20021?

CVE-2016-20021 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2016-20021?

Check the references section above for vendor advisories and patch information. Affected products include: Gentoo Portage.

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Gentoo	Portage	< 3.0.47

Related Weaknesses (CWE)

CWE-347

References

https://bugs.gentoo.org/597800Issue TrackingPatch
https://gitweb.gentoo.org/proj/portage.git/tree/NEWSRelease Notes
https://wiki.gentoo.org/wiki/PortageProduct
https://bugs.gentoo.org/597800Issue TrackingPatch
https://gitweb.gentoo.org/proj/portage.git/tree/NEWSRelease Notes
https://wiki.gentoo.org/wiki/PortageProduct

FAQ

What is CVE-2016-20021?

CVE-2016-20021 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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-we...

How severe is CVE-2016-20021?

CVE-2016-20021 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2016-20021?

Check the references section above for vendor advisories and patch information. Affected products include: Gentoo Portage.