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Ubuntu Security Notice USN-2391-1

Ubuntu Security Notice USN-2391-1
Posted Oct 30, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2391-1 - Symeon Paraschoudis discovered that PHP incorrectly handled the mkgmtime function. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Symeon Paraschoudis discovered that PHP incorrectly handled unserializing objects. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Otto Ebeling discovered that PHP incorrectly handled the exif_thumbnail function. A remote attacker could use this issue to cause PHP to crash, resulting in a denial of service, or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary, php
systems | linux, ubuntu
advisories | CVE-2014-3668, CVE-2014-3669, CVE-2014-3670, CVE-2014-3710
SHA-256 | d573f5bd6e6dca5b43238cf2e360788cb9a1ff269aef4f15414eceaf135e4d06

Ubuntu Security Notice USN-2391-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-2391-1
October 30, 2014

php5 vulnerabilities
============================================================================

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php5: HTML-embedded scripting language interpreter

Details:

Symeon Paraschoudis discovered that PHP incorrectly handled the mkgmtime
function. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2014-3668)

Symeon Paraschoudis discovered that PHP incorrectly handled unserializing
objects. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2014-3669)

Otto Ebeling discovered that PHP incorrectly handled the exif_thumbnail
function. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2014-3670)

Francisco Alonso that PHP incorrectly handled ELF files in the fileinfo
extension. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2014-3710)

It was discovered that PHP incorrectly handled NULL bytes when processing
certain URLs with the curl functions. A remote attacker could possibly use
this issue to bypass filename restrictions and obtain access to sensitive
files. (No CVE number)

Update instructions:

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

Ubuntu 14.10:
libapache2-mod-php5 5.5.12+dfsg-2ubuntu4.1
php5-cgi 5.5.12+dfsg-2ubuntu4.1
php5-cli 5.5.12+dfsg-2ubuntu4.1
php5-curl 5.5.12+dfsg-2ubuntu4.1
php5-fpm 5.5.12+dfsg-2ubuntu4.1
php5-xmlrpc 5.5.12+dfsg-2ubuntu4.1

Ubuntu 14.04 LTS:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.5
php5-cgi 5.5.9+dfsg-1ubuntu4.5
php5-cli 5.5.9+dfsg-1ubuntu4.5
php5-curl 5.5.9+dfsg-1ubuntu4.5
php5-fpm 5.5.9+dfsg-1ubuntu4.5
php5-xmlrpc 5.5.9+dfsg-1ubuntu4.5

Ubuntu 12.04 LTS:
libapache2-mod-php5 5.3.10-1ubuntu3.15
php5-cgi 5.3.10-1ubuntu3.15
php5-cli 5.3.10-1ubuntu3.15
php5-curl 5.3.10-1ubuntu3.15
php5-fpm 5.3.10-1ubuntu3.15
php5-xmlrpc 5.3.10-1ubuntu3.15

Ubuntu 10.04 LTS:
libapache2-mod-php5 5.3.2-1ubuntu4.28
php5-cgi 5.3.2-1ubuntu4.28
php5-cli 5.3.2-1ubuntu4.28
php5-curl 5.3.2-1ubuntu4.28
php5-xmlrpc 5.3.2-1ubuntu4.28

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

References:
http://www.ubuntu.com/usn/usn-2391-1
CVE-2014-3668, CVE-2014-3669, CVE-2014-3670, CVE-2014-3710

Package Information:
https://launchpad.net/ubuntu/+source/php5/5.5.12+dfsg-2ubuntu4.1
https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.5
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.15
https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.28
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