Pillow through 10.1.0 allows PIL.ImageMath.eval Arbitrary Code Execution via the environment parameter, a different vulnerability than CVE-2022-22817 (which was about the expression parameter).

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-50447
• python-pillow/Pillow@45c726f
• https://pillow.readthedocs.io/en/stable/releasenotes/10.2.0.html#security
• http://www.openwall.com/lists/oss-security/2024/01/20/1
• https://github.com/python-pillow/Pillow/releases
• https://lists.debian.org/debian-lts-announce/2024/01/msg00019.html
• https://devhub.checkmarx.com/cve-details/CVE-2023-50447
• https://duartecsantos.github.io/2023-01-02-CVE-2023-50447
• https://duartecsantos.github.io/2024-01-02-CVE-2023-50447