CVE-2021-45707

An issue was discovered in the nix crate 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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://rustsec.org/advisories/RUSTSEC-2021-0119.html	Issue Tracking Third Party Advisory
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/nix/RUSTSEC-2021-0119.md	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:nix_project:nix::::::rust::*
	cpe:2.3:a:nix_project:nix::::::rust::*
	cpe:2.3:a:nix_project:nix::::::rust::*

Information

Published : 2021-12-27 00:15

Updated : 2022-01-06 19:54

NVD link : CVE-2021-45707

Mitre link : CVE-2021-45707

JSON object : View

Products Affected

nix_project

nix

CWE

CWE-787

Out-of-bounds Write

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