Bug 1360322 (CVE-2016-6288)

Summary:	CVE-2016-6288 php: Buffer over-read in php_url_parse_ex
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abhgupta, dmcphers, fedora, hhorak, jialiu, jokerman, jorton, kseifried, lmeyer, mmccomas, rcollet, tiwillia, webstack-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	php 5.5.38, php 5.6.15	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-09-26 18:13:20 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:
Bug Blocks:	1359830

Description Adam Mariš 2016-07-26 12:29:42 UTC

An out-of-bounds read in php_url_parse_ex() was found that allows to cause DoS by triggering segmentation fault.

Upstream bug:

https://bugs.php.net/bug.php?id=70480

Upstream patch:

https://git.php.net/?p=php-src.git;a=commit;h=e1ba58f068f4bfc8ced75bb017cd31d8beddf3c2

Comment 1 Adam Mariš 2016-07-26 12:30:02 UTC

Fedora 24, package php, is not vulnerable because it currently has php-5.6.22-1.fc24 in stable

Comment 2 errata-xmlrpc 2016-11-15 11:44:37 UTC

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

Comment 3 Remi Collet 2016-12-09 08:40:12 UTC

Notice that the fix for this issue introduce a behavior change in parse_url function which may break some code or extension (ex pecl/ssh2) relying on some characters to be allowed in host part (e.g. spaces)