Sun Java System Directory Server core_get_proxyauth_dn() denial of service

jsds-coregetproxyauthdn-dos (55511) The risk level is classified as MediumMedium Risk

Description:

Java System Directory Server is vulnerable to a denial of service, caused by a NULL pointer dereference error in the core_get_proxyauth_dn() function. A remote attacker could exploit this vulnerability to cause the ns-slapd daemon to crash.

*CVSS:

Base Score: 7.8
  Access Vector: Network
  Access Complexity: Low
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: None
  Availability Impact: Complete
 
Temporal Score: 6.4
  Exploitability: Functional
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Denial of Service

Remedy:

Refer to Sun Alert ID: 275711 for patch, upgrade or suggested workaround information. See References.

References:

  • Intevydis blog: Sun Directory Server 7.0 core_get_proxyauth_dn DoS.
  • Sun Alert ID: 275711: Security Vulnerability in the Sun Java System Directory Server May Allow Crafted LDAP Search Requests To Cause A Denial Of Service (DoS) Condition.
  • Sun Web site: Sun Java System Directory Server.
  • BID-37699: Sun Java System Directory Server 'core_get_proxyauth_dn' Denial of Service Vulnerability
  • BID-37899: Sun Java System Directory Server LDAP Search Request Denial of Service Vulnerability
  • CVE-2010-0313: The core_get_proxyauth_dn function in ns-slapd in Sun Java System Directory Server Enterprise Edition 7.0 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted LDAP Search Request message.
  • OSVDB ID: 61713: Sun Java System Directory Server ns-slapd core_get_proxyauth_dn Function LDAP Search Request NULL Dereference DoS
  • SA37978: Sun Java System Directory Server LDAP Search Request Denial of Service
  • SECTRACK ID: 1023431: Sun Java System Directory Server Null Pointer Dereference Lets Remote Users Deny Service

Platforms Affected:

  • Sun Java System Directory Server 5.2
  • Sun Java System Directory Server 6.0
  • Sun Java System Directory Server 6.1
  • Sun Java System Directory Server 6.2
  • Sun Java System Directory Server 6.3
  • Sun Java System Directory Server 6.3.1
  • Sun Java System Directory Server 7.0 Enterprise
  • Sun Solaris 10 x86
  • Sun Solaris 10 SPARC
  • Sun Solaris 9 x86
  • Sun Solaris 9 SPARC

Reported:

Jan 11, 2010

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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