Novell eDirectory 8.8/8.8.1 NPC over IP integer coercion

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Novell eDirectory 8.8/8.8.1. This impacts an unknown function of the component NPC over IP. The manipulation leads to integer coercion. This vulnerability is uniquely identified as CVE-2006-4177. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Novell eDirectory 8.8/8.8.1 (Directory Service Software). It has been rated as critical. This issue affects some unknown functionality of the component NPC over IP. The manipulation with an unknown input leads to a integer coercion vulnerability. Using CWE to declare the problem leads to CWE-192. Integer coercion refers to a set of flaws pertaining to the type casting, extension, or truncation of primitive data types. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the NCP engine in Novell eDirectory before 8.8.1 FTF1 allows remote attackers to execute arbitrary code via a crafted NCP over IP packet that causes NCP to read more data than intended.

The bug was discovered 08/16/2006. The weakness was disclosed 10/23/2006 by Joshua J. Drake with iDEFENSE (Website). It is possible to read the advisory at labs.idefense.com. The identification of this vulnerability is CVE-2006-4177 since 08/16/2006. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 68 days. During that time the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38566 (Novell eDirectory Multiple Remote Heap Overflows).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.novell.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (29768), SecurityFocus (BID 20664†), OSVDB (29994†), Secunia (SA22506†) and SecurityTracker (ID 1017104†). The entries VDB-2626, VDB-2628, VDB-32920 and VDB-32912 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Integer coercion
CWE: CWE-192 / CWE-189
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: support.novell.com

Timelineinfo

08/16/2006 🔍
08/16/2006 +0 days 🔍
10/22/2006 +67 days 🔍
10/22/2006 +0 days 🔍
10/23/2006 +1 days 🔍
10/23/2006 +0 days 🔍
10/23/2006 +0 days 🔍
10/23/2006 +0 days 🔍
10/24/2006 +0 days 🔍
10/24/2006 +0 days 🔍
10/26/2006 +2 days 🔍
07/10/2019 +4640 days 🔍

Sourcesinfo

Vendor: novell.com

Advisory: labs.idefense.com⛔
Researcher: Joshua J. Drake
Organization: iDEFENSE
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-4177 (🔍)
GCVE (CVE): GCVE-0-2006-4177
GCVE (VulDB): GCVE-100-2627
X-Force: 29768 - Novell eDirectory NCP buffer overflow, High Risk
SecurityFocus: 20664 - Novell eDirectory NCP Packet Processing Remote Heap Overflow Vulnerability
Secunia: 22506 - Novell eDirectory Multiple Vulnerabilities, Moderately Critical
OSVDB: 29994 - Novell eDirectory NCP Engine NCP over IP Packet Remote Overflow
SecurityTracker: 1017104
Vulnerability Center: 12968 - Novell eDirectory Server Complete System Compromise Due to Heap Overflow Via NCP, Critical
Vupen: ADV-2006-4142

See also: 🔍

Entryinfo

Created: 10/26/2006 17:17
Updated: 07/10/2019 09:17
Changes: 10/26/2006 17:17 (81), 07/10/2019 09:17 (12)
Complete: 🔍
Cache ID: 216::103

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