NVD Vulnerability Detail
Search Exploit, PoC
CVE-2016-20021
Summary

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.

Publication Date Jan. 12, 2024, 12:15 p.m.
Registration Date Jan. 12, 2024, 4 p.m.
Last Update Nov. 21, 2024, 11:47 a.m.
CVSS3.1 : CRITICAL
スコア 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C)
完全性への影響(I)
可用性への影響(A)
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:gentoo:portage:*:*:*:*:*:*:*:* 3.0.47
Related information, measures and tools
Common Vulnerabilities List