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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