CVE-2019-19911 Information

Description

There is a DoS vulnerability in Pillow before 6.2.2 caused by FpxImagePlugin.py calling the range function on an unvalidated 32-bit integer if the number of bands is large. On Windows running 32-bit Python this results in an OverflowError or MemoryError due to the 2 GB limit. However on Linux running 64-bit Python this results in the process being terminated by the OOM killer.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3DUMIBUYGJRAVJCTFUWBRLVQKOUTVX5P/ https://pillow.readthedocs.io/en/stable/releasenotes/6.2.2.html https://usn.ubuntu.com/4272-1/ https://www.debian.org/security/2020/dsa-4631

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5