CVE-2021-22204
MediumActively exploited (CISA KEV)
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
SeverityMedium
CVSS6.8
Exploit probability—
Product
Perl Exiftool
PublishedApr 23, 2021
First seenApr 23, 2021
Added to KEVNov 17, 2021
Weakness typeCWE-94Code injection
How to fix
CISA required action
Apply updates per vendor instructions.
CISA due date: Dec 1, 2021Update
- exiftool_project exiftool12.24 or later
Vendor advisories
- debian.org/security/2021/dsa-4910
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U4RF6PJCJ6NQOVJJJF6HN6BORUQVIXY6/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DDKDLJLBTBBR66OOPXSXCG2PQRM5KCZL/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F6UOBPU3LSHAPRRJNISNVXZ5DSUIALLV/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| exiftool_project exiftool | 7.44 ≤ v < 12.24 | 12.24 |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 32, 33, 34 | — |
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