Microsoft Windows 2000 SSL improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Windows 2000 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component SSL. Such manipulation leads to improper authentication. This vulnerability is listed as CVE-2009-0085. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Windows 2000 (Operating System) and classified as problematic. Affected by this issue is an unknown code of the component SSL. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, and integrity. CVE summarizes:

The Secure Channel (aka SChannel) authentication component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008, when certificate authentication is used, does not properly validate the client s key exchange data in Transport Layer Security (TLS) handshake messages, which allows remote attackers to spoof authentication by crafting a TLS packet based on knowledge of the certificate but not the private key, aka "SChannel Spoofing Vulnerability."

The bug was discovered 03/10/2009. The weakness was presented 03/10/2009 with mehrere as MS09-007 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is handled as CVE-2009-0085 since 01/08/2009. The attack may be launched remotely. No form of authentication is required for exploitation. 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 3309 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 35823 (MS09-007: Vulnerability in SChannel Could Allow Spoofing (960225)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116281 (Windows Schannel Security Package Could Allow Spoofing Vulnerability (MS09-007)).

Upgrading eliminates this vulnerability. Applying the patch MS09-007 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 20 hours after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 16977.

The vulnerability is also documented in the databases at X-Force (48308), Tenable (35823), SecurityFocus (BID 34015†), OSVDB (52521†) and Secunia (SA34215†). See VDB-3939 and VDB-3937 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
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: Improper authentication
CWE: CWE-287
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: 35823
Nessus Name: MS09-007: Vulnerability in SChannel Could Allow Spoofing (960225)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900087
OpenVAS Name: Vulnerability in SChannel Could Allow Spoofing (960225)
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: MS09-007
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

02/17/2000 🔍
01/08/2009 +3248 days 🔍
03/10/2009 +61 days 🔍
03/10/2009 +0 days 🔍
03/10/2009 +0 days 🔍
03/10/2009 +0 days 🔍
03/10/2009 +0 days 🔍
03/10/2009 +0 days 🔍
03/10/2009 +0 days 🔍
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03/10/2009 +0 days 🔍
03/11/2009 +0 days 🔍
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03/11/2009 +0 days 🔍
05/21/2025 +5914 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS09-007
Organization: mehrere
Status: Confirmed

CVE: CVE-2009-0085 (🔍)
GCVE (CVE): GCVE-0-2009-0085
GCVE (VulDB): GCVE-100-3938

OVAL: 🔍
IAVM: 🔍

X-Force: 48308
SecurityFocus: 34015 - Microsoft Windows SChannel Authentication Spoofing Vulnerability
Secunia: 34215 - Microsoft Windows SChannel Authentication Bypass, Moderately Critical
OSVDB: 52521 - Microsoft Windows SChannel Certificate Based Authentication Spoofing Bypass
SecurityTracker: 1021828
Vulnerability Center: 21258 - [MS09-007] Microsoft SChannel Remote Authentication Spoofing via a Crafted TLS Packet, High
Vupen: ADV-2009-0660

See also: 🔍

Entryinfo

Created: 03/11/2009 13:24
Updated: 05/21/2025 00:59
Changes: 03/11/2009 13:24 (109), 08/30/2019 16:19 (1), 05/21/2025 00:59 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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