Bug 1934680 (CVE-2021-25289)

Summary:	CVE-2021-25289 python-pillow: insufficent fix for CVE-2020-35654 due to incorrect error checking in TiffDecode.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	bdettelb, cstratak, kaycoth, manisandro, miminar, orion, paul, python-maint, rhel8-maint, tomckay, torsava
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	python-pillow 8.1.1	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in python-pillow. TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. The previous fix for CVE-2020-35654 was insufficient due to incorrect error checking in TiffDecode.c. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-10-19 14:08:46 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1934681, 1934682, 1934683, 1934684, 1935584, 1939585
Bug Blocks:	1934710

Description Guilherme de Almeida Suckevicz 2021-03-03 16:46:37 UTC

The previous fix for CVE-2020-35654 was insufficient due to incorrect error checking in TiffDecode.c.

Reference:
https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html

Comment 1 Guilherme de Almeida Suckevicz 2021-03-03 16:47:23 UTC

Created mingw-python-pillow tracking bugs for this issue:

Affects: fedora-all [bug 1934683]


Created python-pillow tracking bugs for this issue:

Affects: fedora-all [bug 1934681]


Created python2-pillow tracking bugs for this issue:

Affects: fedora-all [bug 1934682]


Created python3-pillow tracking bugs for this issue:

Affects: epel-7 [bug 1934684]

Comment 3 Jason Shepherd 2021-03-08 03:01:16 UTC

Mitigation:

Disable the invoice generation feature to mitigate this vulnerability in Red Hat Quay.

Comment 5 Riccardo Schirone 2021-03-16 15:57:19 UTC

Upstream patch seems to be:
https://github.com/python-pillow/Pillow/commit/3fee28eb9479bf7d59e0fa08068f9cc4a6e2f04c

Comment 6 Riccardo Schirone 2021-03-16 16:01:58 UTC

Statement:

python-pillow as shipped with Red Hat Enterprise Linux 7 and 8 are not affected by this flaw as the flaw was introduced in a newer version than shipped.

Comment 8 errata-xmlrpc 2021-10-19 12:10:54 UTC

This issue has been addressed in the following products:

  Red Hat Quay 3

Via RHSA-2021:3917 https://access.redhat.com/errata/RHSA-2021:3917

Comment 9 Product Security DevOps Team 2021-10-19 14:08:46 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-25289