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Salt's PAM auth fails to reject locked accounts

High severity GitHub Reviewed Published Jun 25, 2022 to the GitHub Advisory Database • Updated Nov 1, 2023

Package

pip salt (pip)

Affected versions

< 3002.9
>= 3003.0, < 3003.5
>= 3004.0, < 3004.2

Patched versions

3002.9
3003.5
3004.2

Description

An issue was discovered in SaltStack Salt in versions before 3002.9, 3003.5, 3004.2. PAM auth fails to reject locked accounts, which allows a previously authorized user whose account is locked still run Salt commands when their account is locked. This affects both local shell accounts with an active session and salt-api users that authenticate via PAM eauth.

References

Published by the National Vulnerability Database Jun 23, 2022
Published to the GitHub Advisory Database Jun 25, 2022
Reviewed Jun 25, 2022
Last updated Nov 1, 2023

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS score

0.248%
(65th percentile)

Weaknesses

CVE ID

CVE-2022-22967

GHSA ID

GHSA-fpxm-fprw-6hxj

Source code

No known source code
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