ExifTool Remote Code Execution Vulnerability

Improper neutralization of user data in the DjVu file format in Exiftool versions 7.44 and up allows arbitrary code execution when parsing the malicious image

cat cve-2021-22204.json

Vendor: Perl
Product: Exiftool
CVSS: 6.8
EPSS (exploit probability): 100.0%
Status: kev
CISA patch-by (BOD 22-01): December 1, 2021
Published: November 17, 2021
Source: https://nvd.nist.gov/vuln/detail/CVE-2021-22204

Improper neutralization of user data in the DjVu file format in Exiftool versions 7.44 and up allows arbitrary code execution when parsing the malicious image

Added to CISA’s Known Exploited Vulnerabilities catalog on 2021-11-17. Required action per CISA: Apply updates per vendor instructions. Due date: 2021-12-01.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.