USN-3600-1: PHP vulnerabilities

19 March 2018

Several security issues were fixed in PHP.

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Releases

Packages

  • php5 - HTML-embedded scripting language interpreter
  • php7.0 - HTML-embedded scripting language interpreter
  • php7.1 - HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain stream metadata. A
remote attacker could possibly use this issue to set arbitrary metadata.
This issue only affected Ubuntu 14.04 LTS. (CVE-2016-10712)

It was discovered that PHP incorrectly handled the PHAR 404 error page. A
remote attacker could possibly use this issue to conduct cross-site
scripting (XSS) attacks. This issue only affected Ubuntu 16.04 LTS and
Ubuntu 17.10. (CVE-2018-5712)

It was discovered that PHP incorrectly handled parsing certain HTTP
responses. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2018-7584)

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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.

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Update instructions

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

Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04

In Ubuntu 16.04 LTS and Ubuntu 17.10, this update uses a new upstream
release, which includes additional bug fixes.

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

References

Related notices

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