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Ubuntu Security Notice USN-3045-1

Ubuntu Security Notice USN-3045-1
Posted Aug 2, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3045-1 - It was discovered that PHP incorrectly handled certain SplMinHeap::compare operations. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, php
systems | linux, ubuntu
advisories | CVE-2015-4116, CVE-2015-8873, CVE-2015-8876, CVE-2015-8935, CVE-2016-5093, CVE-2016-5094, CVE-2016-5095, CVE-2016-5096, CVE-2016-5114, CVE-2016-5385, CVE-2016-5399, CVE-2016-5768, CVE-2016-5769, CVE-2016-5771, CVE-2016-5772, CVE-2016-5773, CVE-2016-6288, CVE-2016-6289, CVE-2016-6290, CVE-2016-6291, CVE-2016-6292, CVE-2016-6294, CVE-2016-6295, CVE-2016-6296, CVE-2016-6297
SHA-256 | 47fc0ea179e44d1fcb53b84c0bfce2c297ab17348494c2a4bfed673be21e1948

Ubuntu Security Notice USN-3045-1

Change Mirror Download

=========================================================================
Ubuntu Security Notice USN-3045-1
August 02, 2016

php5, php7.0 vulnerabilities
=========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php7.0: HTML-embedded scripting language interpreter
- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain SplMinHeap::compar
e
operations. A remote attacker could use this issue to cause PHP to crash,

resulting in a denial of service, or possibly execute arbitrary code. Thi
s
issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-4116
)

It was discovered that PHP incorrectly handled recursive method calls. A
remote attacker could use this issue to cause PHP to crash, resulting in
a
denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu
14.04 LTS. (CVE-2015-8873)

It was discovered that PHP incorrectly validated certain Exception object
s
when unserializing data. A remote attacker could use this issue to cause
PHP to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.0
4
LTS. (CVE-2015-8876)

It was discovered that PHP header() function performed insufficient
filtering for Internet Explorer. A remote attacker could possibly use thi
s
issue to perform a XSS attack. This issue only affected Ubuntu 12.04 LTS
and Ubuntu 14.04 LTS. (CVE-2015-8935)

It was discovered that PHP incorrectly handled certain locale operations.

An attacker could use this issue to cause PHP to crash, resulting in a
denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu
14.04 LTS. (CVE-2016-5093)

It was discovered that the PHP php_html_entities() function incorrectly
handled certain string lengths. A remote attacker could use this issue to

cause PHP to crash, resulting in a denial of service, or possibly execute

arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.0
4
LTS. (CVE-2016-5094, CVE-2016-5095)

It was discovered that the PHP fread() function incorrectly handled certa
in
lengths. An attacker could use this issue to cause PHP to crash, resultin
g
in a denial of service, or possibly execute arbitrary code. This issue on
ly
affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5096)

It was discovered that the PHP FastCGI Process Manager (FPM) SAPI
incorrectly handled memory in the access logging feature. An attacker cou
ld
use this issue to cause PHP to crash, resulting in a denial of service, o
r
possibly expose sensitive information. This issue only affected Ubuntu
12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5114)

It was discovered that PHP would not protect applications from contents o
f
the HTTP_PROXY environment variable when based on the contents of the Pro
xy
header from HTTP requests. A remote attacker could possibly use this issu
e
in combination with scripts that honour the HTTP_PROXY variable to redire
ct
outgoing HTTP requests. (CVE-2016-5385)

Hans Jerry Illikainen discovered that the PHP bzread() function incorrect
ly
performed error handling. A remote attacker could use this issue to cause

PHP to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2016-5399)

It was discovered that certain PHP multibyte string functions incorrectly

handled memory. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 14.04 LTS. (CVE-2016-5768)

It was discovered that the PHP Mcrypt extension incorrectly handled memor
y.
A remote attacker could use this issue to cause PHP to crash, resulting i
n
a denial of service, or possibly execute arbitrary code. This issue only
affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2016-5769)

It was discovered that the PHP garbage collector incorrectly handled
certain objects when unserializing malicious data. A remote attacker coul
d
use this issue to cause PHP to crash, resulting in a denial of service, o
r
possibly execute arbitrary code. This issue was only addressed in Ubuntu
Ubuntu 14.04 LTS. (CVE-2016-5771, CVE-2016-5773)

It was discovered that PHP incorrectly handled memory when unserializing
malicious xml data. A remote attacker could use this issue to cause PHP t
o
crash, resulting in a denial of service, or possibly execute arbitrary
code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS.
(CVE-2016-5772)

It was discovered that the PHP php_url_parse_ex() function incorrectly
handled string termination. A remote attacker could use this issue to cau
se
PHP to crash, resulting in a denial of service, or possibly execute
arbitrary code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.0
4
LTS. (CVE-2016-6288)

It was discovered that PHP incorrectly handled path lengths when extracti
ng
certain Zip archives. A remote attacker could use this issue to cause PHP

to crash, resulting in a denial of service, or possibly execute arbitrary

code. (CVE-2016-6289)

It was discovered that PHP incorrectly handled session deserialization. A

remote attacker could use this issue to cause PHP to crash, resulting in
a
denial of service, or possibly execute arbitrary code. (CVE-2016-6290)

It was discovered that PHP incorrectly handled exif headers when processi
ng
certain JPEG images. A remote attacker could use this issue to cause PHP
to
crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-6291, CVE-2016-6292)

It was discovered that PHP incorrectly handled certain locale operations.
A
remote attacker could use this issue to cause PHP to crash, resulting in
a
denial of service, or possibly execute arbitrary code. (CVE-2016-6294)

It was discovered that the PHP garbage collector incorrectly handled
certain objects when unserializing SNMP data. A remote attacker could use

this issue to cause PHP to crash, resulting in a denial of service, or
possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LT
S
and Ubuntu 16.04 LTS. (CVE-2016-6295)

It was discovered that the PHP xmlrpc_encode_request() function incorrect
ly
handled certain lengths. An attacker could use this issue to cause PHP to

crash, resulting in a denial of service, or possibly execute arbitrary
code. (CVE-2016-6296)

It was discovered that the PHP php_stream_zip_opener() function incorrect
ly
handled memory. An attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2016-6297)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 LTS:
libapache2-mod-php7.0 7.0.8-0ubuntu0.16.04.2
php7.0-cgi 7.0.8-0ubuntu0.16.04.2
php7.0-cli 7.0.8-0ubuntu0.16.04.2
php7.0-fpm 7.0.8-0ubuntu0.16.04.2

Ubuntu 14.04 LTS:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.19
php5-cgi 5.5.9+dfsg-1ubuntu4.19
php5-cli 5.5.9+dfsg-1ubuntu4.19
php5-fpm 5.5.9+dfsg-1ubuntu4.19

Ubuntu 12.04 LTS:
libapache2-mod-php5 5.3.10-1ubuntu3.24
php5-cgi 5.3.10-1ubuntu3.24
php5-cli 5.3.10-1ubuntu3.24
php5-fpm 5.3.10-1ubuntu3.24

In general, a standard system update will make all the necessary changes.


References:
http://www.ubuntu.com/usn/usn-3045-1
CVE-2015-4116, CVE-2015-8873, CVE-2015-8876, CVE-2015-8935,
CVE-2016-5093, CVE-2016-5094, CVE-2016-5095, CVE-2016-5096,
CVE-2016-5114, CVE-2016-5385, CVE-2016-5399, CVE-2016-5768,
CVE-2016-5769, CVE-2016-5771, CVE-2016-5772, CVE-2016-5773,
CVE-2016-6288, CVE-2016-6289, CVE-2016-6290, CVE-2016-6291,
CVE-2016-6292, CVE-2016-6294, CVE-2016-6295, CVE-2016-6296,
CVE-2016-6297

Package Information:
https://launchpad.net/ubuntu/+source/php7.0/7.0.8-0ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.19
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.24



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