CVE-2021-22204 PoC — exiftool 代码注入漏洞

Source

https://github.com/cc3305/CVE-2021-22204

Associated Vulnerability

Title: exiftool 代码注入漏洞 (CVE-2021-22204)
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

Description

CVE-2021-22204 exploit script

Readme

# CVE-2021-22204

## Summary of the CVE

Improper sanitization of user data in the DjVu file format in ExifTool versions 7.44 and up allows arbitrary code execution when parsing the malicious image.

## Affected Versions

- Version 7.44 - 12.23

## Anomalies

- Dependencies: djvulibre-bin exiftool
- Calls these three commands: [bzz, dvjumake, exiftool]

## References

- [Github POC - Gustavo Dutra, May 11 2021](https://github.com/convisolabs/CVE-2021-22204-exiftool)
- [A case study on: CVE-2021-22204 Exiftool RCE - Gustavo Dutra, May 19 2021](https://blog.convisoappsec.com/en/a-case-study-on-cve-2021-22204-exiftool-rce/)
- [CVE-details - CVSS Score 6.8](https://www.cvedetails.com/cve/CVE-2021-22204/)

File Snapshot

Remarks

1. It is advised to access via the original source first.

2. Local POC snapshots are reserved for subscribers — if the original source is unavailable, the local mirror is part of the paid plan.

View subscription plans →