Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

USN-2984-1: PHP vulnerabilities

24 May 2016

Several security issues were fixed in PHP.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Releases

Packages

  • php5 - HTML-embedded scripting language interpreter
  • php7.0 - HTML-embedded scripting language interpreter

Details

It was discovered that the PHP Fileinfo component incorrectly handled
certain magic files. An 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 16.04 LTS. (CVE-2015-8865)

Hans Jerry Illikainen discovered that the PHP Zip extension incorrectly
handled certain malformed 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. This issue only affected Ubuntu 16.04 LTS.
(CVE-2016-3078)

It was discovered that PHP incorrectly handled invalid indexes in the
SplDoublyLinkedList class. An 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 16.04 LTS. (CVE-2016-3132)

It was discovered that the PHP rawurlencode() function incorrectly handled
large strings. A remote attacker could use this issue to cause PHP to
crash, resulting in a denial of service. This issue only affected Ubuntu
16.04 LTS. (CVE-2016-4070)

It was discovered that the PHP php_snmp_error() function incorrectly
handled string formatting. 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 16.04 LTS. (CVE-2016-4071)

It was discovered that the PHP phar extension incorrectly handled certain
filenames in archives. 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 16.04 LTS. (CVE-2016-4072)

It was discovered that the PHP mb_strcut() function incorrectly handled
string formatting. 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 16.04 LTS. (CVE-2016-4073)

It was discovered that the PHP phar extension incorrectly handled certain
archive files. 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, Ubuntu 14.04 LTS and
Ubuntu 15.10. (CVE-2016-4342, CVE-2016-4343)

It was discovered that the PHP bcpowmod() function 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.
(CVE-2016-4537, CVE-2016-4538)

It was discovered that the PHP XML parser incorrectly handled certain
malformed XML data. A remote attacker could possibly use this issue to
cause PHP to crash, resulting in a denial of service, or possibly execute
arbitrary code. (CVE-2016-4539)

It was discovered that certain PHP grapheme functions incorrectly handled
negative offsets. A remote attacker could possibly use this issue to cause
PHP to crash, resulting in a denial of service. (CVE-2016-4540,
CVE-2016-4541)

It was discovered that PHP incorrectly handled certain malformed EXIF tags.
A remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2016-4542, CVE-2016-4543,
CVE-2016-4544)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04
Ubuntu 15.10
Ubuntu 14.04
Ubuntu 12.04

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

References

Related notices

  • USN-3686-1: libmagic1, file, python3-magic, libmagic-mgc, libmagic-dev, python-magic
  • USN-3686-2: libmagic1, file

Join the discussion

Need help with your security needs?

Ubuntu Pro provides up to ten-year security coverage for over 23,000 open-source packages within the Ubuntu Main and Universe repositories.

Talk to an expert to find out what would work best for you

Further reading