Microsoft Outlook Express BASE HREF _top access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Outlook Express. Affected is an unknown function. The manipulation of the argument BASE HREF _top leads to access control. This vulnerability is traded as CVE-2004-2694. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is recommended to disable the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Outlook Express (Mail Client Software) (affected version unknown). This issue affects an unknown functionality. The manipulation of the argument BASE HREF _top with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, and integrity. The summary by CVE is:

Microsoft Outlook Express 6.0 allows remote attackers to bypass intended access restrictions, load content from arbitrary sources into the Outlook context, and facilitate phishing attacks via a "BASE HREF" with the target set to "_top".

The weakness was shared 05/14/2004 by http-equiv with malware.com (Website). It is possible to read the advisory at secunia.com. The identification of this vulnerability is CVE-2004-2694 since 10/06/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

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

The vulnerability is also documented in the databases at SecurityFocus (BID 10369†), OSVDB (6121†) and Secunia (SA11607†). The entry VDB-663 is related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Mail Client Software

Vendor

• Microsoft

Name

• Outlook Express

License

• commercial

Support

• end of life

Website

• Vendor: https://www.microsoft.com/

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: windowsupdate.microsoft.com

Timelineinfo

05/14/2004 🔍
05/14/2004 +0 days 🔍
05/14/2004 +0 days 🔍
05/17/2004 +2 days 🔍
05/19/2004 +2 days 🔍
05/19/2004 +0 days 🔍
12/31/2004 +225 days 🔍
10/06/2007 +1009 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: secunia.com⛔
Researcher: http-equiv
Organization: malware.com
Status: Not defined

CVE: CVE-2004-2694 (🔍)
GCVE (CVE): GCVE-0-2004-2694
GCVE (VulDB): GCVE-100-659
SecurityFocus: 10369 - Microsoft Outlook 2003 Media File Script Execution Vulnerability
Secunia: 11607 - Microsoft Outlook Express Loading of Arbitrary Web Content, Less Critical
OSVDB: 6121 - Microsoft Outlook Express BASE HREF Web Content Loading

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/19/2004 11:35
Changes: 05/19/2004 11:35 (73)
Complete: 🔍
Cache ID: 216:FCA:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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