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CVE-2021-22204: ExifTool Remote Code Execution Vulnerability

criticalknown exploitedpublic exploitCVE-2021-22204
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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

CSIRTS triage

vendor: ExifToolproduct: ExifToolRemote code executionaffected: 7.44 and up
What
The vulnerability allows arbitrary code execution when parsing malicious DjVu files.
Who is affected
Users of ExifTool versions 7.44 and above are affected.
Urgency
Immediate remediation is necessary as the vulnerability is actively exploited and rated critical.
Action
Update ExifTool to the latest version.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-17
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-22204

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-22204coverage & exploitation statusNVD · CVE.org

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