The LDAP server (ns-slapd) in Sun Java System Directory Server 5.2 Patch4 and earlier and ONE Directory Server 5.1 and 5.2 allows remote attackers to cause a denial of service (crash) via malformed queries, probably malformed BER queries, which trigger a free of uninitialized memory locations.

References

• https://nvd.nist.gov/vuln/detail/CVE-2006-4175
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33189
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=491
• http://secunia.com/advisories/24634
• http://sunsolve.sun.com/search/document.do?assetkey=1-26-102853-1
• http://www.osvdb.org/33524
• http://www.securityfocus.com/bid/23117
• http://www.securitytracker.com/id?1017814
• http://www.vupen.com/english/advisories/2007/1090