Check Point Advisories

PEAR Archive Tar Arbitrary File Overwrite (CVE-2020-28949)

Check Point Reference: CPAI-2020-3798
Date Published: 4 Apr 2023
Severity: High
Last Updated: Tuesday 04 April, 2023
Source:
Industry Reference:CVE-2020-28949
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? PEAR Archive Tar prior to 1.4.12
Vulnerability Description An arbitrary file overwrite vulnerability exists in PEAR Archive Tar. Successful exploitation of this vulnerability allows an attacker to execute arbitrary code on the vulnerable system.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the PEAR Archive Tar Arbitrary File Overwrite (CVE-2020-28949) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  PEAR Archive Tar Arbitrary File Overwrite (CVE-2020-28949)

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