Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

IBM Lotus Notes LZH Attachment Viewer Stack Buffer Overflow (CVE-2011-1213)

Check Point Reference: CPAI-2011-109
Date Published: 15 Nov 2011
Severity: High
Last Updated: Thursday 13 April, 2017
Industry Reference:CVE-2011-1213
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
Vulnerability Description A code execution vulnerability has been reported in IBM Lotus Notes. The vulnerability is due to an error while parsing the headers of LZH files. A remote attacker may exploit this vulnerability by enticing a target user to open an email containing a specially crafted LZH file. Successful exploitation would allow the attacker to execute arbitrary code, in the security context of the logged-on user.

Protection Overview

This protection will detect and block the transferring of specially crafted LZH files.

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 / R75

  1. In the IPS tab, click Protections and find the IBM Lotus Notes LZH Attachment Viewer Stack Buffer Overflow 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:  IBM Protection Violation.
Attack Information:  IBM Lotus Notes LZH Attachment Viewer Stack Buffer Overflow

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