Microsoft Windows 2000 RPC improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability was found in Microsoft Windows 2000 (Operating System). It has been classified as critical. Affected is an unknown function of the component RPC. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on integrity. CVE summarizes:

Microsoft Windows 2000 SP4 does not properly validate an RPC server during mutual authentication over SSL, which allows remote attackers to spoof an RPC server, aka the "RPC Mutual Authentication Vulnerability."

The issue has been introduced in 02/17/2000. The weakness was published 06/13/2006 by Michael Colson (BindView) with Symantec as MS06-031 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is traded as CVE-2006-2380 since 05/15/2006. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2308 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 21693 (MS06-031: Vulnerability in RPC Mutual Authentication Could Allow Spoofing (917736)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l.

Applying the patch MS06-031 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (26836) and Tenable (21693).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 21693
Nessus Name: MS06-031: Vulnerability in RPC Mutual Authentication Could Allow Spoofing (917736)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS06-031

Timelineinfo

02/17/2000 🔍
05/15/2006 +2279 days 🔍
06/13/2006 +29 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/13/2006 +0 days 🔍
06/14/2006 +0 days 🔍
06/19/2006 +5 days 🔍
09/05/2019 +4826 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS06-031
Researcher: Michael Colson (BindView)
Organization: Symantec
Status: Confirmed

CVE: CVE-2006-2380 (🔍)
OVAL: 🔍

X-Force: 26836 - Microsoft Windows RPC mutual authentication spoofing, Medium Risk
SecurityTracker: 1016289
Vulnerability Center: 11926 - [MS06-031] Microsoft Windows RPC Server Spoofing, Medium
SecurityFocus: 18389 - Microsoft Windows RPC Mutual Authentication Service Spoofing Vulnerability
Secunia: 20637 - Microsoft Windows RPC Mutual Authentication Vulnerability, Moderately Critical
OSVDB: 26438 - Microsoft Windows RPC Mutual Authentication Server Spoofing
Vupen: ADV-2006-2328

Entryinfo

Created: 06/19/2006 16:35
Updated: 09/05/2019 13:34
Changes: 06/19/2006 16:35 (100), 09/05/2019 13:34 (1)
Complete: 🔍
Cache ID: 3:3AF:103

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