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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