CVE-2020-35653

Published: 12 January 2021

In Pillow before 8.1.0, PcxDecode has a buffer over-read when decoding a crafted PCX file because the user-supplied stride value is trusted for buffer calculations.

Priority

Cvss 3 Severity Score

7.1

Score breakdown

Status

Package	Release	Status
pillow Launchpad, Ubuntu, Debian	bionic	Released (5.1.0-1ubuntu0.4)
	focal	Released (7.0.0-4ubuntu0.2)
	groovy	Released (7.2.0-1ubuntu0.1)
	hirsute	Not vulnerable (8.1.0-1)
	impish	Not vulnerable (8.1.0-1)
	jammy	Not vulnerable (8.1.0-1)
	kinetic	Not vulnerable (8.1.0-1)
	lunar	Not vulnerable (8.1.0-1)
	trusty	Released (2.3.0-1ubuntu3.4+esm2)
	upstream	Released (8.1.0-1)
	xenial	Released (3.1.2-0ubuntu1.5)
	Patches: upstream: https://github.com/python-pillow/Pillow/commit/2f409261eb1228e166868f8f0b5da5cda52e55bf upstream: https://github.com/python-pillow/Pillow/commit/903c67353da1dc3a59d5367338e76101a9cfb4b1
pillow-python2 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Needs triage
	groovy	Ignored (reached end-of-life)
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
python-imaging Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist

Severity score breakdown

Parameter	Value
Base score	7.1
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References

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