Check Point Advisories

Multiple Vendors LDAP Server Remote Denial of Service Vulnerabilities (CVE-2011-0917)

Check Point Reference: CPAI-2014-1810
Date Published: 22 Sep 2014
Severity: Critical
Last Updated: Monday 22 September, 2014
Source: IBM swg21461514
Industry Reference:CVE-2011-0917
Protection Provided by:

Security Gateway
R77

  • R76
  • R75

    		•
    Who is Vulnerable?
    IBM Lotus Domino 8.5 and prior
    IBM Tivoli Directory Server 4.1
    IBM Tivoli Directory Server 5.1
    IBM Tivoli Directory Server 5.2
    IBM Tivoli Directory Server 6.0
    Vulnerability Description An integer overflow vulnerabilities exists in IBM Lotus Domino's LDAP service and IBM Tivoli Directory Server. The vulnerabilities is due to incorrect handling of the name parameter by the library nnotes.dll when it processes ASN.1-encoded LDAP BindRequests. An attacker may leverage this issue by sending a crafted LDAP message to terminate a vulnerable Tivoli Directory Server, or to inject arbitrary code which will be executed in the security context of the Server process.

    Protection Overview

    Security Gateway R77 / R76 / R75 / R71 / R70

    1. In the IPS tab, click Protections and find the Multiple Vendors LDAP Server Remote Denial of Service Vulnerabilities protection using the Search tool and Edit the protection's settings.
    2. Install policy on all modules.

    SmartView Tracker will log the following entries:

    Attack Name:  LDAP Protection Violation.
    Attack Information:  Multiple Vendors LDAP Server Remote Denial of Service Vulnerabilities

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