CVE-2021-22204 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-17
ExifTool fails to properly neutralize user data within the DjVu file format, leading to arbitrary code execution. An attacker can exploit this by providing a specially crafted malicious image for parsing.
Yes. CVE-2021-22204 is known to be exploited in the wild, first recorded on 17 November 2021. Treat it as urgent.
How severe is CVE-2021-22204?
Critical severity, with a CVSS score of 7.8, published 17 November 2021.
Which products and versions are affected?
ExifTool ExifTool 7.44 and up.
Is there a fix for CVE-2021-22204?
A patch was published on 2021-04-13: GitHub commit cf0f4e7dcd024ca99615bfd1102a841a25dde031 fixes the issue. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2021-22204 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2021-22204?
Check whether you run Perl Exiftool. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Affected products
ExifTool ExifTool 7.44 and up
Timeline
2021-04-13: patched: GitHub commit cf0f4e7dcd024ca99615bfd1102a841a25dde031 fixes the issue.
2021-11-17: kev added: Added to CISA Known Exploited Vulnerabilities Catalog.