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Red Hat Enterprise Linux 8 RHSA-2022-5467-01 Important: RCE in PHP 7.4

red hat
Calendar Grey June 30, 2022
Dist Redhat Esm H88
A crucial patch for php:7.4 on Red Hat Enterprise Linux tackles severe buffer overflow vulnerabilities.
An update for the php:7.4 module is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the updated packages, the httpd daemon must be restarted for the update to take effect.

Summary

PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server.
Security Fix(es):
* php: password of excessive length triggers buffer overflow leading to RCE (CVE-2022-31626)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory security update buffer overflow important PHP RHEL

References

https://access.redhat.com/security/cve/CVE-2022-31626 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.src.rpm php-7.4.19-3.module+el8.6.0+15726+994cde98.src.rpm php-pear-1.10.12-1.module+el8.3.0+6678+b09f589e.src.rpm php-pecl-apcu-5.1.18-1.module+el8.3.0+6678+b09f589e.src.rpm php-pecl-rrd-2.0.1-1.module+el8.3.0+6678+b09f589e.src.rpm php-pecl-xdebug-2.9.5-1.module+el8.3.0+6678+b09f589e.src.rpm php-pecl-zip-1.18.2-1.module+el8.3.0+6678+b09f589e.src.rpm
aarch64: libzip-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-debuginfo-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-debugsource-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-devel-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-tools-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm libzip-tools-debuginfo-1.6.1-1.module+el8.3.0+6678+b09f589e.aarch64.rpm php-7.4.19-3.module+el8.6.0+15726+994cde98.aarch64.rpm php-bcmath-7.4.19-3.module+el8.6.0+15726+994cde98.aarch64.rpm php-bcmath-debuginfo-7.4.19-3.module+el8.6.0+15726+994cde98.aarch64.rpm php-cli-7.4.19-3.module+el8.6.0+15726+994cde98.aarch64.rpm php-cli-debuginfo-7.4.19-3.module+el8.6.0+15726+994cde98.aarch64.rpm php-common-7.4.19-3.module+el8.6.0+15726+994cde98.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:5467-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:5467
Issue date: 2022-06-30

Topic

An update for the php:7.4 module is now available for Red Hat EnterpriseLinux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update buffer overflow important PHP RHEL

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2098523 - CVE-2022-31626 php: password of excessive length triggers buffer overflow leading to RCE

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