Bug 1323114 – CVE-2016-4070 php: Integer overflow in php_raw_url_encode

Bugzilla will be upgraded to version 5.0 on a still to be determined date in the near future. The original upgrade date has been delayed.

Bug 1323114 - (CVE-2016-4070) CVE-2016-4070 php: Integer overflow in php_raw_url_encode

Summary:	CVE-2016-4070 php: Integer overflow in php_raw_url_encode

Status:	CLOSED WONTFIX

Aliases:	CVE-2016-4070

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=20160311,repor...
Keywords:	Security

Depends On:	1323117
Blocks:	1323121
	Show dependency tree / graph

Reported:	2016-04-01 06:17 EDT by Adam Mariš
Modified:	2017-06-23 07:03 EDT (History)
CC List:	15 users (show)

See Also:
Fixed In Version:	php 5.5.34, php 5.6.20, php 7.0.5
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:	2017-06-23 07:03:57 EDT
Type:	---
Regression:	---
Mount Type:	---
Documentation:	---
CRM:
Verified Versions:
Category:	---
oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---

Attachments	(Terms of Use)
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 2016-04-01 06:17:44 EDT

An integer overflow vulnerability was found in php_raw_url_encode function.

Vulnerable code:

PHPAPI char *php_raw_url_encode(char const *s, int len, int *new_length)
{
	register int x, y;
	unsigned char *str;

	str = (unsigned char *) safe_emalloc(3, len, 1);
	for (x = 0, y = 0; len--; x++, y++) {
	str[y] = (unsigned char) s[x];

Upstream bug:

https://bugs.php.net/bug.php?id=71798

Upstream patch:

https://git.php.net/?p=php-src.git;a=commit;h=95433e8e339dbb6b5d5541473c1661db6ba2c451

Comment 1 Adam Mariš 2016-04-01 06:20:48 EDT

Created php tracking bugs for this issue:

Affects: fedora-all [bug 1323117]

Comment 2 Fedora Update System 2016-04-09 10:20:49 EDT

php-5.6.20-1.fc22 has been pushed to the Fedora 22 stable repository. If problems still persist, please make note of it in this bug report.

Comment 3 Fedora Update System 2016-04-09 10:22:20 EDT

php-5.6.20-1.fc23 has been pushed to the Fedora 23 stable repository. If problems still persist, please make note of it in this bug report.

Comment 5 errata-xmlrpc 2016-11-15 06:50:54 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

Note You need to log in before you can comment on or make changes to this bug.