Microsoft Windows 2000 Encrypted File System missing encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Microsoft Windows 2000. This impacts an unknown function of the component Encrypted File System Handler. The manipulation results in missing encryption. This vulnerability is known as CVE-2001-0261. Attacking locally is a requirement. No exploit is available. This vulnerability is historically impactful due to its background and the reception it garnered. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in Microsoft Windows 2000 (Operating System). Affected is an unknown part of the component Encrypted File System Handler. The manipulation with an unknown input leads to a missing encryption vulnerability. CWE is classifying the issue as CWE-311. The product does not encrypt sensitive or critical information before storage or transmission. This is going to have an impact on confidentiality. CVE summarizes:

Microsoft Windows 2000 Encrypted File System does not properly destroy backups of files that are encrypted, which allows a local attacker to recover the text of encrypted files.

The issue has been introduced in 02/17/2000. The weakness was published 06/02/2001 by FIRST as not defined posting (Bugtraq). The advisory is shared for download at marc.theaimsgroup.com. This vulnerability is traded as CVE-2001-0261. The exploitability is told to be easy. The attack needs to be approached locally. A authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/07/2017). The MITRE ATT&CK project declares the attack technique as T1600. This vulnerability has a historic impact due to its background and reception.

The vulnerability was handled as a non-public zero-day exploit for at least 471 days. During that time the estimated underground price was around $0-$5k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5973) and SecurityFocus (BID 2243†). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
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: Missing encryption
CWE: CWE-311 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/17/2000 🔍
01/19/2001 +337 days 🔍
06/02/2001 +134 days 🔍
06/02/2001 +0 days 🔍
07/04/2014 +4780 days 🔍
04/07/2017 +1008 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: marc.theaimsgroup.com
Researcher: FIRST
Status: Not defined

CVE: CVE-2001-0261 (🔍)
GCVE (CVE): GCVE-0-2001-0261
GCVE (VulDB): GCVE-100-16740
X-Force: 5973 - Microsoft Windows 2000 EFS allows local user to recover sensitive data
SecurityFocus: 2243 - Windows 2000 EFS Temporary File Retrieval Vulnerability

Entryinfo

Created: 07/04/2014 12:32
Updated: 04/07/2017 16:03
Changes: 07/04/2014 12:32 (58), 04/07/2017 16:03 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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