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Ubuntu Security Notice USN-4009-2

Ubuntu Security Notice USN-4009-2
Posted Jun 5, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4009-2 - USN-4009-1 fixed several vulnerabilities in PHP. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that PHP incorrectly decoding certain MIME headers. A remote attacker could possibly use this issue to cause PHP to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, php, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-11039, CVE-2019-11040
MD5 | ab60086f80ef9a8e14e53528324d4180

Ubuntu Security Notice USN-4009-2

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4009-2
June 05, 2019

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

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

- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in PHP.

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

Details:

USN-4009-1 fixed several vulnerabilities in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that PHP incorrectly decoding certain MIME headers.
A remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2019-11039)

It was discovered that PHP incorrectly handled certain exif tags in
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-2019-11040)

Update instructions:

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

Ubuntu 14.04 ESM:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.29+esm3
php5-cgi 5.5.9+dfsg-1ubuntu4.29+esm3
php5-cli 5.5.9+dfsg-1ubuntu4.29+esm3
php5-fpm 5.5.9+dfsg-1ubuntu4.29+esm3

Ubuntu 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.37
php5-cgi 5.3.10-1ubuntu3.37
php5-cli 5.3.10-1ubuntu3.37
php5-fpm 5.3.10-1ubuntu3.37

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

References:
https://usn.ubuntu.com/4009-2
https://usn.ubuntu.com/4009-1
CVE-2019-11039, CVE-2019-11040
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