Sun Java System Directory Server 5.2 LDAP Service denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Sun Java System Directory Server 5.2. This affects an unknown function of the component LDAP Service. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2006-0647. Furthermore, there is an exploit available. You should upgrade the affected component.
Details
A vulnerability classified as problematic has been found in Sun Java System Directory Server 5.2 (Directory Service Software). Affected is some unknown functionality of the component LDAP Service. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:
LDAP service in Sun Java System Directory Server 5.2, running on Linux and possibly other platforms, allows remote attackers to cause a denial of service (memory allocation error) via an LDAP packet with a crafted subtree search request, as demonstrated using the ProtoVer LDAP test suite.
The bug was discovered 02/08/2006. The weakness was shared 02/13/2006 by Evgeny Legerov (Website). The advisory is available at vupen.com. This vulnerability is traded as CVE-2006-0647 since 02/13/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.
The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 20888 (Sun ONE Directory Server LDAP Malformed Packet DoS), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Denial of Service and running in the context r.
Upgrading eliminates this vulnerability. A possible mitigation has been published 4 months after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 9070.
The vulnerability is also documented in the databases at X-Force (24605), Exploit-DB (27171), Tenable (20888), SecurityFocus (BID 16550†) and OSVDB (22996†). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
Website
- Vendor: https://www.oracle.com/sun/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 20888
Nessus Name: Sun ONE Directory Server LDAP Malformed Packet DoS
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
TippingPoint: 🔍
McAfee IPS: 🔍
McAfee IPS Version: 🔍
ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍
Timeline
02/08/2006 🔍02/08/2006 🔍
02/08/2006 🔍
02/09/2006 🔍
02/09/2006 🔍
02/13/2006 🔍
02/13/2006 🔍
02/13/2006 🔍
02/13/2006 🔍
02/21/2006 🔍
05/19/2006 🔍
03/12/2015 🔍
04/26/2025 🔍
Sources
Vendor: oracle.comAdvisory: vupen.com⛔
Researcher: Evgeny Legerov
Status: Confirmed
CVE: CVE-2006-0647 (🔍)
GCVE (CVE): GCVE-0-2006-0647
GCVE (VulDB): GCVE-100-28674
X-Force: 24605
SecurityFocus: 16550 - Sun ONE Directory Server Remote Denial Of Service Vulnerability
Secunia: 18769 - Sun Java System Directory Server LDAP Denial of Service, Less Critical
OSVDB: 22996 - Sun - ONE Directory Server - Remote Denial Of Service Issue
SecurityTracker: 1015604
Vulnerability Center: 10398 - Sun One Directory Server 5.2 DoS via LDAP, High
Vupen: ADV-2006-0492
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 03/12/2015 11:11Updated: 04/26/2025 19:36
Changes: 03/12/2015 11:11 (77), 06/14/2019 11:19 (13), 04/26/2025 19:36 (20)
Complete: 🔍
Cache ID: 216:7D7:103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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