Microsoft Office Xp CDO URI cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Office Xp. It has been classified as problematic. This affects an unknown part of the component CDO URI Handler. This manipulation causes cross site scripting. This vulnerability is handled as CVE-2008-4020. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Microsoft Office Xp (Office Suite Software). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component CDO URI Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Cross-site scripting (XSS) vulnerability in Microsoft Office XP SP3 allows remote attackers to inject arbitrary web script or HTML via a document that contains a "Content-Disposition: attachment" header and is accessed through a cdo: URL, which renders the content instead of raising a File Download dialog box, aka "Vulnerability in Content-Disposition Header Vulnerability."

The bug was discovered 10/14/2008. The weakness was released 10/14/2008 with NetAgent Co. as MS08-056 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is known as CVE-2008-4020 since 09/10/2008. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 34401 (MS08-056: Microsoft Office CDO Protocol (cdo:) Content-Disposition: Attachment Header XSS (957699)), 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 110089 (Microsoft Office XP Information Disclosure Vulnerability (MS08-056)).

Upgrading eliminates this vulnerability. Applying the patch MS08-056 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 immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 6474.

The vulnerability is also documented in the databases at X-Force (45550), Tenable (34401), SecurityFocus (BID 31693†), OSVDB (49052†) and Secunia (SA32138†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: 34401
Nessus Name: MS08-056: Microsoft Office CDO Protocol (cdo:) Content-Disposition: Attachment Header XSS (957699)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900047
OpenVAS Name: Microsoft Office nformation Disclosure Vulnerability (957699)
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: MS08-056
TippingPoint: 🔍
PaloAlto IPS: 🔍

Timelineinfo

09/10/2008 🔍
10/14/2008 +34 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/14/2008 +0 days 🔍
10/15/2008 +0 days 🔍
10/15/2008 +0 days 🔍
10/17/2008 +2 days 🔍
05/26/2025 +6065 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS08-056
Organization: NetAgent Co.
Status: Confirmed

CVE: CVE-2008-4020 (🔍)
GCVE (CVE): GCVE-0-2008-4020
GCVE (VulDB): GCVE-100-3841

OVAL: 🔍
IAVM: 🔍

X-Force: 45550 - Microsoft Windows Knowledge Base Article 957699 update is not installed, Medium Risk
SecurityFocus: 31693 - Microsoft Office CDO Protocol Cross Site Scripting Vulnerability
Secunia: 32138
OSVDB: 49052 - Microsoft Office CDO Protocol (cdo:) Content-Disposition: Attachment Header XSS
SecurityTracker: 1021045
Vulnerability Center: 19712 - [MS08-056] Microsoft Office XP SP3 CDO URL Cross-Site Scripting Vulnerability, Medium
Vupen: ADV-2008-2807

Entryinfo

Created: 10/17/2008 16:12
Updated: 05/26/2025 04:03
Changes: 10/17/2008 16:12 (101), 08/18/2019 10:16 (1), 05/26/2025 04:03 (18)
Complete: 🔍
Cache ID: 216:A02:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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