Bug 1332865 – CVE-2016-4542 CVE-2016-4543 CVE-2016-4544 php: Out-of-bounds heap memory read in exif_read_data() caused by malformed input

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Bug 1332865 - (CVE-2016-4542, CVE-2016-4543, CVE-2016-4544) CVE-2016-4542 CVE-2016-4543 CVE-2016-4544 php: Out-of-bounds heap memory read in exif_read_data() caused by malformed input

Summary:	CVE-2016-4542 CVE-2016-4543 CVE-2016-4544 php: Out-of-bounds heap memory read...

Status:	CLOSED ERRATA

Aliases:	CVE-2016-4542, CVE-2016-4543, CVE-2016-4544

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=low,public=20160424,reported=2...
Keywords:	Security

Depends On:	1332882
Blocks:	1332879
	Show dependency tree / graph

Reported:	2016-05-04 04:57 EDT by Adam Mariš
Modified:	2016-11-15 09:31 EST (History)
CC List:	15 users (show)

See Also:
Fixed In Version:	php 5.5.35, php 5.6.21, php 7.0.6
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2016-06-13 12:29:29 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

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Add an attachment (proposed patch, testcase, etc.)

External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2016:2750	normal	SHIPPED_LIVE	Moderate: rh-php56 security, bug fix, and enhancement update	2016-11-15 11:40:02 EST

Groups: None (edit)

Description Adam Mariš 2016-05-04 04:57:09 EDT

It was found that malformed input to function exif_read_data() can cause out-of-bounds heap memory read access.

Upstream bug:

https://bugs.php.net/bug.php?id=72094

Upstream patch:

https://git.php.net/?p=php-src.git;a=commit;h=1366c0362f1fa85e82bde9c0b393bd3bb3d32892

Comment 1 Adam Mariš 2016-05-04 05:25:49 EDT

Created php tracking bugs for this issue:

Affects: fedora-all [bug 1332882]

Comment 2 Andrej Nemec 2016-05-06 02:52:43 EDT

As per CVE assignment:

http://seclists.org/oss-sec/2016/q2/259

Use CVE-2016-4542 for the issue associated with the spprintf call.

Use CVE-2016-4543 for both issues in which "Illegal IFD size" validation was added.

Use CVE-2016-4544 for the issue in which "Invalid TIFF start" validation was added.

Comment 3 Fedora Update System 2016-05-07 07:47:37 EDT

php-5.6.21-1.fc24 has been pushed to the Fedora 24 stable repository. If problems still persist, please make note of it in this bug report.

Comment 4 Fedora Update System 2016-05-12 03:22:39 EDT

php-5.6.21-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

Comment 5 Tomas Hoger 2016-06-13 12:29:29 EDT

There are limited buffer over-reads, which may possibly cause crash or information leak.  However, practically triggering either is of low probability because of how over-reads are limited.  Hence no plan to backport this fix.

Comment 7 errata-xmlrpc 2016-11-15 06:51:48 EST

This issue has been addressed in the following products:

  Red Hat Software Collections for Red Hat Enterprise Linux 6
  Red Hat Software Collections for Red Hat Enterprise Linux 6.7 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7
  Red Hat Software Collections for Red Hat Enterprise Linux 7.2 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.3 EUS

Via RHSA-2016:2750 https://rhn.redhat.com/errata/RHSA-2016-2750.html

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