SB2022110858 - Red Hat Enterprise Linux 8 update for the php:8.0 module

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Main Vulnerability Database SB2022110858

SB2022110858 - Red Hat Enterprise Linux 8 update for the php:8.0 module

Published: November 8, 2022

Security Bulletin ID SB2022110858
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-21708)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the "php_filter_float()" function. A remote attacker can pass specially crafted input to the application that uses the affected PHP function, trigger a use-after-free error and crash the php-fpm process.


2) Use of uninitialized resource (CVE-ID: CVE-2022-31625)

The vulnerability allows a remote attacker to execute arbitrary code on the system.

The vulnerability exists due to usage of uninitialized array in the pg_query_params() function. A remote attacker with ability to control query parameters can trigger memory corruption and execute arbitrary code on the system.


Remediation

Install update from vendor's website.

References