#VU85743 Code Injection in Pillow - CVE-2023-50447

Vulnerability identifier: #VU85743

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-50447

CWE-ID: CWE-94

Exploitation vector: Network

Exploit availability: No

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

Vendor: Alex Clark and Contributors

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation within the PIL.ImageMath.eval function. A remote attacker can send a specially crafted input to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pillow: 10.0.0 - 10.1.0

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External links
https://github.com/python-pillow/Pillow/releases
https://duartecsantos.github.io/2023-01-02-CVE-2023-50447/
https://devhub.checkmarx.com/cve-details/CVE-2023-50447/
https://www.openwall.com/lists/oss-security/2024/01/20/1

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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.