Microsoft Outlook Express up to 6 SP1 BCC Multi-Part Message information disclosure

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

A vulnerability has been found in Microsoft Outlook Express up to 6 SP1 (Mail Client Software) and classified as problematic. Affected by this vulnerability is an unknown function of the component BCC Multi-Part Message Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

Outlook Express 6.0, when sending multipart e-mail messages using the "Break apart messages larger than" setting, leaks the BCC recipients of the message to the addresses listed in the To and CC fields, which may allow remote attackers to obtain sensitive information.

The bug was discovered 08/25/2004. The weakness was published 08/20/2004 by Juha-Matti Laurio with Microsoft (Website). The advisory is shared at support.microsoft.com. This vulnerability is known as CVE-2004-2137 since 06/14/2005. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.microsoft.com.

The vulnerability is also documented in the vulnerability database at X-Force (17098).

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: support.microsoft.com

Timelineinfo

08/20/2004 🔍
08/25/2004 +5 days 🔍
08/25/2004 +0 days 🔍
08/25/2004 +0 days 🔍
08/25/2004 +0 days 🔍
08/25/2004 +0 days 🔍
08/25/2004 +0 days 🔍
08/26/2004 +0 days 🔍
12/31/2004 +127 days 🔍
06/14/2005 +165 days 🔍
06/19/2006 +370 days 🔍
06/29/2019 +4758 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: support.microsoft.com
Researcher: Juha-Matti Laurio
Organization: Microsoft
Status: Confirmed

CVE: CVE-2004-2137 (🔍)
X-Force: 17098 - Microsoft Outlook Express address information disclosure, Medium Risk
SecurityTracker: 1011067
Vulnerability Center: 11942 - Microsoft Outlook Express BCC Field Leakage, Medium
SecuriTeam: securiteam.com
SecurityFocus: 11040 - Microsoft Outlook Express BCC Field Information Disclosure Vulnerability
Secunia: 12376 - Microsoft Outlook Express "BCC:" Recipient Disclosure Weakness, Not Critical
OSVDB: 9167 - Microsoft Outlook Express BCC: Recipient Information Disclosure

Entryinfo

Created: 08/25/2004 14:32
Updated: 06/29/2019 09:34
Changes: 08/25/2004 14:32 (86), 06/29/2019 09:34 (1)
Complete: 🔍

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