Novell eDirectory 8.8/8.8.1 Security Service berdecodelogindatarequest denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.6 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Novell eDirectory 8.8/8.8.1. This impacts the function berdecodelogindatarequest of the component Security Service. This manipulation causes denial of service.
This vulnerability is tracked as CVE-2006-4521. No exploit exists.
It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Novell eDirectory 8.8/8.8.1 (Directory Service Software) and classified as problematic. Affected by this vulnerability is the function berdecodelogindatarequest of the component Security Service. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:
The BerDecodeLoginDataRequest function in the libnmasldap.so NMAS module in Novell eDirectory 8.8 and 8.8.1 before the Security Services 2.0.3 patch does not properly increment a pointer when handling certain input, which allows remote attackers to cause a denial of service (invalid memory access) via a crafted login request.
The weakness was disclosed 11/03/2006 (Website). The advisory is shared at securitytracker.com. This vulnerability is known as CVE-2006-4521 since 08/31/2006. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
It is declared as proof-of-concept.
Upgrading to version 8.8 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (29963), SecurityFocus (BID 20842†), Secunia (SA22660†) and SecurityTracker (ID 1017140†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Vendor
Name
Version
License
Support
Website
- Vendor: https://www.novell.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.6
VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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: 🔍
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: eDirectory 8.8
Timeline
08/31/2006 🔍10/31/2006 🔍
11/01/2006 🔍
11/03/2006 🔍
11/03/2006 🔍
03/12/2015 🔍
04/26/2026 🔍
Sources
Vendor: novell.comAdvisory: securitytracker.com⛔
Status: Confirmed
CVE: CVE-2006-4521 (🔍)
GCVE (CVE): GCVE-0-2006-4521
GCVE (VulDB): GCVE-100-33097
X-Force: 29963 - Novell eDirectory NMAS BerDecodeLoginDataRequeset() denial of service
SecurityFocus: 20842 - Novell eDirectory NMAS BerDecodeLoginDataRequeset Denial of Service Vulnerability
Secunia: 22660
SecurityTracker: 1017140
Vupen: ADV-2006-4293
Entry
Created: 03/12/2015 22:21Updated: 04/26/2026 08:36
Changes: 03/12/2015 22:21 (64), 04/26/2026 08:36 (17)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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