Microsoft Exchange 5.5 Outlook Web Access User information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Microsoft Exchange 5.5 (Groupware Software). This affects an unknown functionality of the component Outlook Web Access. The manipulation with an unknown input leads to a information disclosure vulnerability (User). CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

Outlook Web Access (OWA) in Microsoft Exchange 5.5, SP4 and earlier, allows remote attackers to identify valid user email addresses by directly accessing a back-end function that processes the global address list (GAL).

The weakness was released 10/30/2001 by Noam Rathaus (SecuriTeam) with SecuriTeam.com as MS01-047 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is uniquely identified as CVE-2001-0660. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 10781 (Microsoft Outlook Web Access (OWA) Anonymous Access), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Applying the patch MS01-047 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. Attack attempts may be identified with Snort ID 1567. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 1198.

The vulnerability is also documented in the databases at X-Force (7089) and Tenable (10781). Entry connected to this vulnerability is available at 17575.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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

Name: User
Class: Information disclosure / User
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 10781
Nessus Name: Microsoft Outlook Web Access (OWA) Anonymous Access
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 10755
OpenVAS Name: Microsoft Exchange Public Folders Information Leak
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS01-047

Snort ID: 1567
Snort Message: SERVER-IIS /exchange/root.asp attempt
Snort Class: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

SourceFire IPS: 🔍

Timelineinfo

09/06/2001 🔍
09/06/2001 +0 days 🔍
10/10/2001 +34 days 🔍
10/30/2001 +20 days 🔍
10/30/2001 +0 days 🔍
12/11/2002 +407 days 🔍
07/10/2014 +4229 days 🔍
05/06/2019 +1761 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS01-047
Researcher: Noam Rathaus (SecuriTeam)
Organization: SecuriTeam.com
Status: Confirmed

CVE: CVE-2001-0660 (🔍)
X-Force: 7089
Vulnerability Center: 343 - [MS01-047] Outlook Web Access Information Disclosure, Low
SecurityFocus: 3301 - Microsoft Exchange OWA Global Address List Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 07/10/2014 11:43
Updated: 05/06/2019 11:17
Changes: 07/10/2014 11:43 (81), 05/06/2019 11:17 (5)
Complete: 🔍

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