OpenLDAP objectClasses denial of service
| openldap-objectclasses-dos (38133) |  Medium Risk |
Description:
OpenLDAP is vulnerable to a denial of service, caused by an error in the normalization of slapd objectClasses. By sending a specially-crafted objectClasses attribute, a local attacker could exploit this vulnerability to crash the service.
*CVSS:
| Base Score: | 1.9 |
| Access Vector: | Local |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | None |
| Integrity Impact: | None |
| Availability Impact: | Partial |
| Temporal Score: | 1.4 |
| Exploitability: | Unproven |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Denial of Service
Remedy:
Upgrade to the latest version of OpenLDAP (2.3.39 or later), available from the OpenLDAP Web site. See References.
For other distributions:
Apply the appropriate update for your system. See References.
References:
- Debian Bug report logs - #440632: ldapadd with 'objectClasses' instead of 'objectClass' brings slapd down.
- OpenLDAP Web site: 2.3.39 Release Changes.
- OpenLDAP Web site: double free in slapd.
- BID-26245: OpenLDAP Multiple Remote Denial of Service Vulnerabilities
- CVE-2007-5708: slapo-pcache (overlays/pcache.c) in slapd in OpenLDAP before 2.3.39, when running as a proxy-caching server, allocates memory using a malloc variant instead of calloc, which prevents an array from being initialized properly and might allow attackers to cause a denial of service (segmentation fault) via unknown vectors that prevent the array from being null terminated.
- DSA-1541: openldap2.3 -- several vulnerabilities
- GLSA-200803-28: OpenLDAP: Denial of Service vulnerabilities
- MDVSA-2008:058: Updated openldap packages fix multiple vulnerabilities
- SA27424: OpenLDAP Denial of Service Vulnerabilities
- SUSE-SR:2007:024: SUSE Security Summary Report
Platforms Affected:
- Canonical Ubuntu 6.06 LTS
- Canonical Ubuntu 6.10
- Canonical Ubuntu 7.04
- Canonical Ubuntu 7.10
- Debian Debian Linux 4.0
- Gentoo Linux
- MandrakeSoft Mandrake Linux 2007 X86_64
- MandrakeSoft Mandrake Linux 2007
- MandrakeSoft Mandrake Linux 2007.1
- MandrakeSoft Mandrake Linux 2007.1 X86_64
- MandrakeSoft Mandrake Linux 2008.0
- MandrakeSoft Mandrake Linux 2008.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 4.0
- OpenLDAP OpenLDAP prior to 2.3.39
- SUSE SuSE Linux
- Turbolinux Turbolinux 10 Server
- Turbolinux Turbolinux 10 Server x64 Ed
- Turbolinux Turbolinux 11 Server
- Turbolinux Turbolinux 11 Server x64 Ed
- Turbolinux Turbolinux FUJI
- Turbolinux Turbolinux Appliance Server 2.0
Reported:
Sep 03, 2007
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 the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
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.