OpenLDAP up to 2.0.24 selfwrite

CVSS Meta Temp Score
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CTI Interest Score
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3.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in OpenLDAP 2.0.20/2.0.21/2.0.22/2.0.23/2.0.24. Affected is an unknown function. The manipulation of the argument selfwrite leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2006-4600. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenLDAP 2.0.20/2.0.21/2.0.22/2.0.23/2.0.24 (Directory Service Software) and classified as problematic. The manipulation of the argument selfwrite with an unknown input leads to a unknown weakness. Impacted is integrity. The summary by CVE is:

slapd in OpenLDAP before 2.3.25 allows remote authenticated users with selfwrite Access Control List (ACL) privileges to modify arbitrary Distinguished Names (DN).

The weakness was disclosed 09/04/2006 by Howard Chu (Website). It is possible to read the advisory at openldap.org. The identification of this vulnerability is CVE-2006-4600 since 09/06/2006. The attack may be initiated remotely. The successful exploitation needs a simple authentication. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 22519 (FreeBSD : openldap -- slapd acl selfwrite Security Issue (ae7124ff-547c-11db-8f1a-000a48049292)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116315 (Critical Security Updates for all Supported Versions of VMware ESX Server VMware Server VMware Workstation VMware ACE and VMware Player (VMSA-2007-0006)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at openldap.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (28772), Tenable (22519), SecurityFocus (BID 19832†), OSVDB (28464†) and Secunia (SA25676†). The entries VDB-3321, VDB-3323, VDB-30456 and VDB-36200 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.3
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Unknown
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22519
Nessus Name: FreeBSD : openldap -- slapd acl selfwrite Security Issue (ae7124ff-547c-11db-8f1a-000a48049292)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57460
OpenVAS Name: FreeBSD Ports: openldap-server, openldap-sasl-server
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: openldap.org

Timelineinfo

09/04/2006 🔍
09/04/2006 +0 days 🔍
09/04/2006 +0 days 🔍
09/04/2006 +0 days 🔍
09/06/2006 +1 days 🔍
09/06/2006 +0 days 🔍
09/06/2006 +0 days 🔍
09/07/2006 +1 days 🔍
10/05/2006 +28 days 🔍
10/10/2006 +5 days 🔍
10/16/2006 +6 days 🔍
03/13/2021 +5262 days 🔍

Sourcesinfo

Advisory: openldap.org
Researcher: Howard Chu
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4600 (🔍)
GCVE (CVE): GCVE-0-2006-4600
GCVE (VulDB): GCVE-100-2507

OVAL: 🔍

X-Force: 28772 - OpenLDAP selfwrite ACL security bypass, Medium Risk
SecurityFocus: 19832 - OpenLDAP SLAPD Access Control Circumvention Vulnerability
Secunia: 25676 - Avaya Products OpenLDAP slapd "selfwrite" Security Issue, Less Critical
OSVDB: 28464 - OpenLDAP slapd selfwrite Arbitrary DN Modification
SecurityTracker: 1016783 - OpenLDAP 'selfwrite' Access Control Error May Let Remote Authenticated Users Make Unauthorized Attribute Modifications
Vulnerability Center: 12921 - OpenLDAP Selfwrite Access Control List Privileges Security Bypass, Low
Vupen: ADV-2007-2186

See also: 🔍

Entryinfo

Created: 09/07/2006 12:11
Updated: 03/13/2021 12:47
Changes: 09/07/2006 12:11 (89), 06/07/2017 14:55 (11), 03/13/2021 12:47 (3)
Complete: 🔍
Cache ID: 216::103

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