SB2019022221 - Fedora 29 update for php-Smarty

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Main Vulnerability Database SB2019022221

SB2019022221 - Fedora 29 update for php-Smarty

Published: February 22, 2019 Updated: April 24, 2025

Security Bulletin ID SB2019022221
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 67% Medium 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) PHP file inclusion (CVE-ID: CVE-2018-16831)

The vulnerability allows a remote attacker to include and execute arbitrary PHP files on the server.

The vulnerability exists due to incorrect input validation when including PHP files. A remote non-authenticated attacker can send a specially crafted HTTP request to the affected application, bypass the trusted_dir protection mechanism via a file:./../ substring in an include statemen, include and execute arbitrary PHP code on the system with privileges of the web server.


2) PHP code injection (CVE-ID: CVE-2017-1000480)

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

The weakness exists due to insufficient sanitization of template name by calling fetch() or display() functions on custom resources. A remote attacker can send a specially file, inject and execute PHP code with elevated privileges.

3) Path traversal (CVE-ID: CVE-2018-13982)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Smarty_Security::isTrustedResourceDir(). A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.


Remediation

Install update from vendor's website.

References