Red Hat Directory Server LDAP search denial of service
| rhds-ldapsearch-dos (44733) |  Low Risk |
Description:
Red Hat Directory Server is vulnerable to a denial of service, caused by the improper handling of LDAP search patterns. By sending a specially-crafted LDAP request that matches malformed data records, a remote attacker with access to the LDAP service could exploit this vulnerability to consume all available CPU resources resulting in a denial of service.
Platforms Affected:
- HP, HP-UX B.11.11
- HP, HP-UX B.11.23
- HP, HP-UX B.11.31
- RedHat, Directory Server 7.1
- RedHat, Directory Server 8 EL5
- RedHat, Directory Server 8 EL4
- RedHat, Directory Server 8
- RedHat, Enterprise Linux 4 WS
- RedHat, Fedora Directory Server 1.1
Remedy:
Upgrade to the latest version of Red Hat Directory Server (7.1 SP7 or later), available from the Red Hat Web site. See References.
For other distributions:
Apply the appropriate update for your system. See References.
Consequences:
Denial of Service
References:
- HPSBUX02354 SSRT080113 rev.1, HP-UX Running Netscape / Red Hat Directory Server, Remote Cross Site Scripting (XSS) or Remote Denial of Service (DoS) at http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01532861.
- Red Hat Web site, Red Hat Directory Server at http://www.redhat.com/directory_server/.
- BID-30871: Red Hat Directory Server Crafted Search Pattern Denial of Service Vulnerability
- CVE-2008-2930: Red Hat Directory Server 7.1 before SP7, Red Hat Directory Server 8, and Fedora Directory Server 1.1.1 allow remote attackers to cause a denial of service (CPU consumption and search outage) via crafted LDAP search requests with patterns, related to a single-threaded regular-expression subsystem.
- RHSA-2008-0596: Critical: Red Hat Directory Server 7.1 Service Pack 7 security update
- RHSA-2008-0602: Moderate: redhat-ds-base and redhat-ds-admin security and bug fix update
- RHSA-2008-0858: Moderate: redhat-ds-base security and bug fix update
- SA31565: Red Hat Directory Server Multiple Vulnerabilities
- SA31627: Red Hat Directory Server Denial of Service Vulnerabilities
- SA31702: HP-UX update for Netscape / Red Hat Directory Server
- SECTRACK ID: 1020773: Red Hat Directory Server Search Request Processing Bug Lets Remote Users Deny Service
- VUPEN/ADV-2008-2480: HP-UX Netscape / Red Hat Directory Server Remote Vulnerabilities
Reported:
Aug 27, 2008
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