SB2023082839 - SUSE update for php7 



SB2023082839 - SUSE update for php7

Published: August 28, 2023 Updated: February 7, 2025

Security Bulletin ID SB2023082839
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

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

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) XML External Entity injection (CVE-ID: CVE-2023-3823)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to insufficient validation of user-supplied XML input. A remote attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.

Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.


2) Buffer overflow (CVE-ID: CVE-2023-3824)

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

The vulnerability exists due to a boundary error within the phar_dir_read() function. A remote attacker can force the application to open a specially crafted .phar archive,  trigger memory corruption and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.