CVE-2021-31607 Information

Description

In SaltStack Salt 2016.9 through 3002.6 a command injection vulnerability exists in the snapper module that allows for local privilege escalation on a minion. The attack requires that a file is created with a pathname that is backed up by snapper and that the master calls the snapper.diff function (which executes popen unsafely).

CVSS Vector

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

Reference

https://sec.stealthcopter.com/saltstack-snapper-minion-privledge-escaltion/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LDKMAJXYFHM4USVX3H5V2GCCBGASWUSM/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MBAHHSGZLEJRCG4DX6J4RBWJAAWH55RQ/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ACVT7M4YLZRLWWQ6SGRK3C6TOF4FXOXT/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6BUWUF5VTENNP2ZYZBVFKPSUHLKLUBD5/ https://lists.debian.org/debian-lts-announce/2021/11/msg00009.html https://www.debian.org/security/2021/dsa-5011

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8