[ CVE-2021-22204 · Published 23 Apr 2021 ]
ExifTool Remote Code Execution Vulnerability
Exploited · CISA KEV CVSS 7.8
EPSS 100%Fix available
[ Why it matters ]Priority signals
- Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2021-11-17
- EPSS: 100% chance of exploitation in the next 30 days (higher than 100% of CVEs)
[ Description ]Official description
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
CISA: 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
[ Fixes ]Fixes and patches
CISA required action (US federal deadline 1 Dec 2021): Apply updates per vendor instructions.
- Patch on github.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD
[ References ]References
- packetstormsecurity.com/files/162558/ExifTool-DjVu-ANT-Perl-Injection.htmlExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/164768/GitLab-Unauthenticated-Remote-ExifTool-Command-Inj…ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/164994/GitLab-13.10.2-Remote-Code-Execution.htmlExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/167038/ExifTool-12.23-Arbitrary-Code-Execution.htmlExploitThird Party AdvisoryVDB Entry
- www.openwall.com/lists/oss-security/2021/05/09/1Mailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2021/05/10/5Mailing ListThird Party Advisory
- github.com/exiftool/exiftool/commit/cf0f4e7dcd024ca99615bfd1102a841a25dde031Patch
- gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-22204.jsonThird Party Advisory
- hackerone.com/reports/1154542ExploitIssue TrackingThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/05/msg00018.htmlMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/messag…Release Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/messag…Release Notes
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/messag…Release Notes
- www.debian.org/security/2021/dsa-4910Mailing ListThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource