USN-4279-2: PHP regression

php7.0 regression

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

Ubuntu 16.04 LTS

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)

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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

Source: USN-4279-2: PHP regression

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