Bug 1688943 (CVE-2019-9641)

Summary:	CVE-2019-9641 php: Uninitialized read in exif_process_IFD_in_TIFF
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	fedora, hhorak, jorton, rcollet, webstack-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:50:50 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:	1688952
Bug Blocks:	1688949

Description Laura Pardo 2019-03-14 18:23:24 UTC

An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_TIFF.


Upstream Bug:
https://bugs.php.net/bug.php?id=77509

Comment 1 Laura Pardo 2019-03-14 18:39:44 UTC

Created php tracking bugs for this issue:

Affects: fedora-all [bug 1688952]

Comment 2 Riccardo Schirone 2019-03-19 16:50:13 UTC

The issue can be reproduced on 32bit builds only.

Comment 3 Riccardo Schirone 2019-03-19 16:50:16 UTC

Statement:

This issue did not affect the versions of php as shipped with Red Hat Enterprise Linux 7 as they are built for 64bit architectures only, where the issue cannot be reproduced.

Comment 5 Riccardo Schirone 2019-05-13 11:54:24 UTC

Upstream patch:
https://github.com/php/php-src/commit/46e79c93518365c7bda894bc512f4be282a29d48