CVE-2022-22817
First published: Fri Jan 07 2022(Updated: )
`PIL.ImageMath.eval` in Pillow before 9.0.0 allows evaluation of arbitrary expressions, such as ones that use the Python exec method `ImageMath.eval("exec(exit())")`. While Pillow 9.0.0 restricted top-level builtins available to PIL.ImageMath.eval(), it did not prevent builtins available to lambda expressions. These are now also restricted in 9.0.1.
Credit: cve@mitre.org cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Python Pillow | <9.0.1 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| debian/pillow | 5.4.1-2+deb10u3 8.1.2+dfsg-0.3+deb11u1 9.4.0-1.1 10.1.0-1 |
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Reference Links
- https://lists.debian.org/debian-lts-announce/2022/01/msg00018.html
- https://pillow.readthedocs.io/en/stable/releasenotes/9.0.0.html#restrict-builtins-available-to-imagemath-eval
- https://pillow.readthedocs.io/en/stable/releasenotes/9.0.1.html#security
- https://security.gentoo.org/glsa/202211-10
- https://www.debian.org/security/2022/dsa-5053
- https://github.com/python-pillow/Pillow/commit/8531b01d6cdf0b70f256f93092caa2a5d91afc11
- https://github.com/python-pillow/Pillow/commit/c930be0758ac02cf15a2b8d5409d50d443550581
- https://security-tracker.debian.org/tracker/CVE-2022-22817
- https://lists.debian.org/debian-lts-announce/2024/03/msg00021.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-22817
- https://github.com/advisories/GHSA-8vj2-vxx3-667w (Advisory)
- https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2022-10.yaml
Frequently Asked Questions
What is CVE-2022-22817?
CVE-2022-22817 is a vulnerability in PIL.ImageMath.eval in Pillow before 9.0.0 that allows evaluation of arbitrary expressions, including ones that use the Python exec method.
What is the severity of CVE-2022-22817?
The severity of CVE-2022-22817 is critical with a CVSS score of 9.8.
Which software versions are affected by CVE-2022-22817?
Pillow versions before 9.0.0 and certain versions of Debian Debian Linux (9.0, 10.0, and 11.0) are affected by CVE-2022-22817.
How can I fix CVE-2022-22817?
To fix CVE-2022-22817, update Pillow to version 9.0.1 or later, as well as any affected versions of Debian Debian Linux.
Where can I find more information about CVE-2022-22817?
You can find more information about CVE-2022-22817 on the NIST National Vulnerability Database (NVD) website and the official Pillow documentation.
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