Improper Input Validation Affecting python-pillow-devel package, versions <0:2.0.0-23.gitd1c6db8.amzn2.0.4


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.16% (54th percentile)

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  • Snyk IDSNYK-AMZN2-PYTHONPILLOWDEVEL-5672083
  • published8 Jun 2023
  • disclosed2 Jun 2021

Introduced: 2 Jun 2021

CVE-2021-28677  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 python-pillow-devel to version 0:2.0.0-23.gitd1c6db8.amzn2.0.4 or higher.
This issue was patched in ALAS2-2023-2083.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python-pillow-devel package and not the python-pillow-devel 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 EPS data, the readline implementation used in EPSImageFile has to deal with any combination of \r and \n as line endings. It used an accidentally quadratic method of accumulating lines while looking for a line ending. A malicious EPS file could use this to perform a DoS of Pillow in the open phase, before an image was accepted for opening.

CVSS Scores

version 3.1