CVE-2022-22817

Advisory

Pillow 9.0.1 includes a fix for CVE-2022-22817: PIL.ImageMath.eval in Pillow before 9.0.0 allows evaluation of arbitrary expressions, such as ones that use the Python exec method. A first patch was issued for version 9.0.0 but it did not prevent builtins available to lambda expressions.
https://pillow.readthedocs.io/en/stable/releasenotes/9.0.1.html#security

Affected package

Affected versions

Fixed versions

Vulnerability changelog

PIL.ImageMath.eval in Pillow before 9.0.0 allows evaluation of arbitrary expressions, such as ones that use the Python exec method. See CVE-2022-22817.


MISC:https://pillow.readthedocs.io/en/stable/releasenotes/9.0.0.html#restrict-builtins-available-to-imagemath-eval: https://pillow.readthedocs.io/en/stable/releasenotes/9.0.0.html#restrict-builtins-available-to-imagemath-eval

Resources

• https://pillow.readthedocs.io/en/stable/releasenotes/9.0.0.html#restrict-builtins-available-to-image
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-22817
• https://pillow.readthedocs.io/en/stable/releasenotes/9.0.0.html#restrict-builtins-available-to-imagemath-eval
• https://lists.debian.org/debian-lts-announce/2022/01/msg00018.html
• https://www.debian.org/security/2022/dsa-5053
• https://pillow.readthedocs.io/en/stable/releasenotes/9.0.1.html#security
• https://security.gentoo.org/glsa/202211-10