Improper Input Validation Affecting python-pillow-tk package, versions <0:2.0.0-23.gitd1c6db8.amzn2.0.1
Threat Intelligence
EPSS
0.35% (73rd
percentile)
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Test your applications- Snyk ID SNYK-AMZN2-PYTHONPILLOWTK-3327404
- published 22 Feb 2023
- disclosed 2 Jun 2021
How to fix?
Upgrade Amazon-Linux:2 python-pillow-tk to version 0:2.0.0-23.gitd1c6db8.amzn2.0.1 or higher.
This issue was patched in ALAS2-2022-1786.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-pillow-tk package and not the python-pillow-tk package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2 relevant fixed versions and status.
An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28676
- https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28676-fix-fli-dos
- https://github.com/python-pillow/Pillow/pull/5377
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
- https://security.gentoo.org/glsa/202107-33
- https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/
- https://github.com/python-pillow/Pillow/commit/bb6c11fb889e6c11b0ee122b828132ee763b5856
CVSS Scores
version 3.1