Lucene search

K
nvd[email protected]NVD:CVE-2016-20021
HistoryJan 12, 2024 - 3:15 a.m.

CVE-2016-20021

2024-01-1203:15:08
CWE-347
web.nvd.nist.gov
4
gentoo portage
pgp validation
emerge-webrsync
signature verification
vulnerability

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.001

Percentile

27.3%

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.

Affected configurations

Nvd
Node
gentooportageRange<3.0.47
VendorProductVersionCPE
gentooportage*cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:*

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

AI Score

9.5

Confidence

High

EPSS

0.001

Percentile

27.3%

Related for NVD:CVE-2016-20021