Bug 1377336 – CVE-2016-7414 php: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile

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Bug 1377336 - (CVE-2016-7414) CVE-2016-7414 php: Out of bounds heap read when verifying signature of zip phar in phar_parse_zipfile

Summary:	CVE-2016-7414 php: Out of bounds heap read when verifying signature of zip ph...

Status:	CLOSED WONTFIX

Aliases:	CVE-2016-7414

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

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

URL:
Whiteboard:	impact=moderate,public=20160823,repor...
Keywords:	Security

Depends On:	1377366 1554899
Blocks:	1377365
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Reported:	2016-09-19 09:04 EDT by Adam Mariš
Modified:	2018-05-03 01:05 EDT (History)
CC List:	14 users (show)

See Also:
Fixed In Version:	php 5.6.26, php 7.0.11
Doc Type:	If docs needed, set a value
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-10-13 07:27:17 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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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2018:1296	None	None	None	2018-05-03 01:05 EDT

Groups: None (edit)

Description Adam Mariš 2016-09-19 09:04:07 EDT

An out-of-bounds heap read was found in phar_parse_zipfile due to not checking entry.uncompressed_filesize.

Upstream bug:

https://bugs.php.net/bug.php?id=72928

Upstream patch:

https://github.com/php/php-src/commit/0bfb970f43acd1e81d11be1154805f86655f15d5?w=1

CVE assignment:

http://seclists.org/oss-sec/2016/q3/518

Comment 1 Adam Mariš 2016-09-19 09:37:36 EDT

Created php tracking bugs for this issue:

Affects: fedora-all [bug 1377366]

Comment 2 Huzaifa S. Sidhpurwala 2016-10-12 05:22:39 EDT

Analysis:

When a malicious phar file is read by phar_parse_zipfile() it results in a OOB read and crash.

Comment 4 errata-xmlrpc 2018-05-03 01:05:05 EDT

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 7.3 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.4 EUS
  Red Hat Software Collections for Red Hat Enterprise Linux 7.5 EUS

Via RHSA-2018:1296 https://access.redhat.com/errata/RHSA-2018:1296

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