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Ubuntu 16.04 LTS USN-4279-2: PHP Regression Security Fix

ubuntu
Calendar Grey February 19, 2020
Dist Ubuntu Esm H88
Tackles PHP vulnerabilities from USN-4279-1 affecting Ubuntu 16.04 LTS, potentially causing Denial of Service (DoS) and risk of confidential data exposure
USN-4279-1 introduced a regression in PHP.

Summary

USN-4279-1 introduced a regression in PHP.

Software Description:

- php7.0: HTML-embedded scripting language interpreter

Details:

USN-4279-1 fixed vulnerabilities in PHP. The updated packages caused a regression.

This update fixes the problem.

We apologize for the inconvenience.

Original advisory details:

It was discovered that PHP incorrectly handled certain scripts.

An attacker could possibly use this issue to cause a denial of service.

This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM and Ubuntu 16.04 LTS.

(CVE-2015-9253)

It was discovered that PHP incorrectly handled certain inputs. An attacker

could possibly use this issue to expose sensitive information.

(CVE-2020-7059)

It was discovered that PHP incorrectly handled certain inputs.

An attacker could possibly use this issue to execute arbitrary code.

This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS

and Ubuntu 19.10. (CVE-2020-7060)

Topics%20covered

Topics Covered

security advisory php arbitrary code execution information exposure ubuntu dos regression

Update Instructions

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

Ubuntu 16.04 LTS:
  libapache2-mod-php7.0           7.0.33-0ubuntu0.16.04.12
  php7.0-cgi                      7.0.33-0ubuntu0.16.04.12
  php7.0-cli                      7.0.33-0ubuntu0.16.04.12
  php7.0-fpm                      7.0.33-0ubuntu0.16.04.12

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

References

https://ubuntu.com/security/notices/USN-4279-2

https://ubuntu.com/security/notices/USN-4279-1

CVE-2015-9253

Severity
critical
Lowest
Low
Medium
High
Critical

February 19, 2020

Topics%20covered

Topics Covered

security advisory php arbitrary code execution information exposure ubuntu dos regression

Package Information

https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.12

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