USN-4330-2: PHP vulnerabilities

php7.4 vulnerabilities

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

Ubuntu 20.04 LTS

Summary

Several security issues were fixed in PHP.

Software Description

php7.4 – server-side, HTML-embedded scripting language (metapackage)

Details

USN-4330-1 fixed vulnerabilities in PHP. This update provides the corresponding
update for Ubuntu 20.04 LTS.

Original advisory details:

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. (CVE-2020-7065)

It was discovered that PHP incorrectly handled certain URLs.
An attacker could possibly use this issue to expose sensitive information.
(CVE-2020-7066)

Update instructions

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

Ubuntu 20.04 LTS: libapache2-mod-php7.4 – 7.4.3-4ubuntu1.1; php7.4-cgi – 7.4.3-4ubuntu1.1; php7.4-cli – 7.4.3-4ubuntu1.1; php7.4-fpm – 7.4.3-4ubuntu1.1; php7.4-mbstring – 7.4.3-4ubuntu1.1

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-4330-2: PHP vulnerabilities

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