CVE-2021-34552

Published: 13 July 2021

Pillow through 8.2.0 and PIL (aka Python Imaging Library) through 1.1.7 allow an attacker to pass controlled parameters directly into a convert function to trigger a buffer overflow in Convert.c.

Notes

Author	Note
mdeslaur	limited to a DoS only because of FORTIFY_SOURCE

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
pillow Launchpad, Ubuntu, Debian	bionic	Released (5.1.0-1ubuntu0.7)
	focal	Released (7.0.0-4ubuntu0.5)
	groovy	Ignored (end of life)
	hirsute	Released (8.1.2-1ubuntu0.2)
	impish	Not vulnerable (8.1.2+dfsg-0.3)
	jammy	Not vulnerable (8.1.2+dfsg-0.3)
	kinetic	Not vulnerable (8.1.2+dfsg-0.3)
	lunar	Not vulnerable (8.1.2+dfsg-0.3)
	mantic	Not vulnerable (8.1.2+dfsg-0.3)
	trusty	Released (2.3.0-1ubuntu3.4+esm3) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (8.1.2+dfsg-0.3, 8.3.0)
	xenial	Released (3.1.2-0ubuntu1.6+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	Patches: upstream: https://github.com/python-pillow/Pillow/commit/31c473898c29d1b7cb6555ce67d9503a4906b83f upstream: https://github.com/python-pillow/Pillow/commit/518ee3722a99d7f7d890db82a20bd81c1c0327fb
	This vulnerability is mitigated in part by the use of -D_FORTIFY_SOURCE=2 in Ubuntu.
pillow-python2 Launchpad, Ubuntu, Debian	bionic	Does not exist
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	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
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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