OpenLDAP Modrdn RDN NULL String Denial Of Service

Publish date: February 15, 2011
  Severity: MEDIUM
  CVE Identifier: CVE-2010-0212
  Advisory Date: FEB 15, 2011

  DESCRIPTION

 OpenLDAP 2.4.22 allows remote attackers to cause a denial of service (crash) via a modrdn call with a zero-length RDN destination string, which is not properly handled by the smr_normalize function and triggers a NULL pointer dereference in the IA5StringNormalize function in schema_init.c, as demonstrated using the Codenomicon LDAPv3 test suite.

  TREND MICRO PROTECTION INFORMATION

Trend Micro Deep Security shields networks through Deep Packet Inspection (DPI) rules. Trend Micro customers using OfficeScan with Intrusion Defense Firewall (IDF) plugin are also protected from attacks using these vulnerabilities. Please refer to the filter number and filter name when applying appropriate DPI and/or IDF rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1004388
  Trend Micro Deep Security DPI Rule Name: 1004388 - OpenLDAP Modrdn RDN NULL String Denial Of Service

  AFFECTED SOFTWARE AND VERSION

  • openldap openldap 2.4.22

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