CVE-2021-31607: fedoraproject fedora OS Command Injection

Vulnerability summary

CVE-2021-31607 is a high (CVSS 7.8) OS Command Injection vulnerability in fedoraproject fedora. EPSS estimates a 5.92% chance of exploitation in the next 30 days, higher than 93.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 23-04-2021
   PublishedVulnerability first disclosed.
2. 03-08-2024
   Last modifiedVulnerability information updated.

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).

• CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.