Check Point Advisories

GNU Wget fd_read_body Heap Buffer Overflow (CVE-2017-13090)

Check Point Reference: CPAI-2017-1000
Date Published: 16 Nov 2017
Severity: Medium
Last Updated: 26 Dec 2017
Source: GNU
Industry Reference:CVE-2017-13090
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? GNU wget prior to 1.19.2
Vulnerability Description A heap buffer overflow vulnerability exists in Wget. The vulnerability is due to improper handling of HTTP responses with chunked transfer encoding within the fd_read_body() function. A remote, unauthenticated attacker could exploit this vulnerability by enticing a user to make an HTTP request to the affected application.

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 R80 / R77 / R76 / R75

  1. In the IPS tab, click Protections and find the GNU Wget fd_read_body Heap Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  GNU Wget fd_read_body Heap Buffer Overflow

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