#VU60721 Path traversal in ExifTool - CVE-2022-23935

Vulnerability identifier: #VU60721

Vulnerability risk: Medium

CVSSv4.0: 7.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2022-23935

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
ExifTool
Universal components / Libraries / Libraries used by multiple products

Vendor: ExifTool

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the file names within lib/Image/ExifTool.pm. A remote attacker can pass a specially crafted file name to the application and read arbitrary files on the system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

ExifTool: 12.00 - 12.37

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External links
https://github.com/exiftool/exiftool/commit/74dbab1d2766d6422bb05b033ac6634bf8d1f582

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.