CVE-2021-33226: saltstack salt Classic Buffer Overflow

Vulnerability summary

CVE-2021-33226 is a critical (CVSS 9.8) Classic Buffer Overflow vulnerability in saltstack salt. EPSS estimates a 1.64% chance of exploitation in the next 30 days, higher than 76% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 17-02-2023
   PublishedVulnerability first disclosed.
2. 18-03-2025
   Last modifiedVulnerability information updated.

Description

Buffer Overflow vulnerability in Saltstack v.3003 and before allows attacker to execute arbitrary code via the func variable in salt/salt/modules/status.py file. NOTE: this is disputed by third parties because an attacker cannot influence the eval input

• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.