exiftoolproject exiftool CVE-2021-22204 vulnerability in Exiftoolproject and Other Products
Published on April 23, 2021

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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

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Known Exploited Vulnerability

This ExifTool Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. 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.

The following remediation steps are recommended / required by December 1, 2021: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2021-22204 is exploitable with local system access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. This vulnerability is known to be actively exploited by threat actors. The potential impact of an exploit of this vulnerability is considered to be low. considered to have a small impact on confidentiality and integrity and availability.

Attack Vector:
LOCAL
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
CHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
LOW

Weakness Type

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2021-22204 has been classified to as a Code Injection vulnerability or weakness.


Products Associated with CVE-2021-22204

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2021-22204 are published in these products:

Exiftoolproject Exiftool
 
Debian Linux
 
Fedora Project Fedora
 

Affected Versions

ExifTool Version >=7.44, <12.24 is affected by CVE-2021-22204

Vulnerable Packages

The following package name and versions may be associated with CVE-2021-22204

Package Manager Vulnerable Package Versions Fixed In
npm exiftool-vendored < 14.3.0 14.3.0

Exploit Probability

EPSS
92.76%
Percentile
99.75%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.