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CVE-2021-45707

Published: 27 December 2021

An issue was discovered in the nix crate 0.16.0 and later before 0.20.2, 0.21.x before 0.21.2, and 0.22.x before 0.22.2 for Rust. unistd::getgrouplist has an out-of-bounds write if a user is in more than 16 /etc/groups groups.

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
rust-nix
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needed

hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needed

lunar Ignored
(end of life, was needed)
trusty Ignored
(end of standard support)
upstream Needs triage

xenial Ignored
(end of standard support)
kinetic Ignored
(end of life, was needed)
mantic Needed

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H