Bug 1360322 – CVE-2016-6288 php: Buffer over-read in php_url_parse_ex

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Bug 1360322 - (CVE-2016-6288) CVE-2016-6288 php: Buffer over-read in php_url_parse_ex

Summary:	CVE-2016-6288 php: Buffer over-read in php_url_parse_ex

Status:	CLOSED ERRATA

Aliases:	CVE-2016-6288

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=20150913,reported=2...
Keywords:	Security

Depends On:
Blocks:	1359830
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Reported:	2016-07-26 08:29 EDT by Adam Mariš
Modified:	2016-12-09 03:40 EST (History)
CC List:	13 users (show)

See Also:
Fixed In Version:	php 5.5.38, php 5.6.15
Doc Type:	If docs needed, set a value
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Story Points:	---
Clone Of:
Environment:
Last Closed:	2016-09-26 14:13:20 EDT
Type:	---
Regression:	---
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Documentation:	---
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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-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 2016-07-26 08:29:42 EDT

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 08:30:02 EDT

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 06:44:37 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

Comment 3 Remi Collet 2016-12-09 03:40:12 EST

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)

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