USN-4330-1: PHP vulnerabilities

php5, php7.0, php7.2, php7.3 vulnerabilities

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

Ubuntu 19.10
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS
Ubuntu 14.04 ESM
Ubuntu 12.04 ESM

Summary

Several security issues were fixed in PHP.

Software Description

php7.3 – server-side, HTML-embedded scripting language (metapackage)
php7.2 – HTML-embedded scripting language interpreter
php7.0 – HTML-embedded scripting language interpreter
php5 – HTML-embedded scripting language interpreter

Details

It was discovered that PHP incorrectly handled certain file uploads.
An attacker could possibly use this issue to cause a crash.
(CVE-2020-7062)

It was discovered that PHP incorrectly handled certain PHAR archive files.
An attacker could possibly use this issue to access sensitive information.
(CVE-2020-7063)

It was discovered that PHP incorrectly handled certain EXIF files.
An attacker could possibly use this issue to access sensitive information
or cause a crash. (CVE-2020-7064)

It was discovered that PHP incorrectly handled certain UTF strings.
An attacker could possibly use this issue to cause a crash or execute
arbitrary code. This issue only affected Ubuntu 19.10. (CVE-2020-7065)

It was discovered that PHP incorrectly handled certain URLs.
An attacker could possibly use this issue to expose sensitive information.
This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 19.10.
(CVE-2020-7066)

Update instructions

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

Ubuntu 19.10: libapache2-mod-php7.3 – 7.3.11-0ubuntu0.19.10.4; php7.3-cgi – 7.3.11-0ubuntu0.19.10.4; php7.3-cli – 7.3.11-0ubuntu0.19.10.4; php7.3-fpm – 7.3.11-0ubuntu0.19.10.4; php7.3-mbstring – 7.3.11-0ubuntu0.19.10.4
Ubuntu 18.04 LTS: libapache2-mod-php7.2 – 7.2.24-0ubuntu0.18.04.4; php7.2 – 7.2.24-0ubuntu0.18.04.4; php7.2-cgi – 7.2.24-0ubuntu0.18.04.4; php7.2-cli – 7.2.24-0ubuntu0.18.04.4; php7.2-fpm – 7.2.24-0ubuntu0.18.04.4
Ubuntu 16.04 LTS: libapache2-mod-php7.0 – 7.0.33-0ubuntu0.16.04.14; php7.0-cgi – 7.0.33-0ubuntu0.16.04.14; php7.0-cli – 7.0.33-0ubuntu0.16.04.14; php7.0-fpm – 7.0.33-0ubuntu0.16.04.14
Ubuntu 14.04 ESM: libapache2-mod-php5 – 5.5.9+dfsg-1ubuntu4.29+esm11; php5-cgi – 5.5.9+dfsg-1ubuntu4.29+esm11; php5-cli – 5.5.9+dfsg-1ubuntu4.29+esm11; php5-fpm – 5.5.9+dfsg-1ubuntu4.29+esm11
Ubuntu 12.04 ESM: libapache2-mod-php5 – 5.3.10-1ubuntu3.45; php5-cgi – 5.3.10-1ubuntu3.45; php5-cli – 5.3.10-1ubuntu3.45; php5-fpm – 5.3.10-1ubuntu3.45

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-4330-1: PHP vulnerabilities

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