Microsoft Internet Explorer/Outlook Script MSHTML.DLL denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer and Outlook. It has been rated as problematic. This impacts an unknown function in the library MSHTML.DLL of the component Script Handler. The manipulation leads to denial of service. This vulnerability is documented as CVE-2001-0322. The attack can be initiated remotely. Additionally, an exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Microsoft Internet Explorer and Outlook (Web Browser) (version unknown). This issue affects an unknown function in the library MSHTML.DLL of the component Script Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

MSHTML.DLL HTML parser in Internet Explorer 4.0, and other versions, allows remote attackers to cause a denial of service (application crash) via a script that creates and deletes an object that is associated with the browser window object.

The weakness was released 06/02/2001 by Thor Larholm as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. The identification of this vulnerability is CVE-2001-0322. The exploitation is known to be easy. 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 T1499 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (5938), Exploit-DB (20552), SecurityFocus (BID 2202†) and Vulnerability Center (SBV-5320†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/15/2001 🔍
01/15/2001 +0 days 🔍
06/02/2001 +138 days 🔍
06/02/2001 +0 days 🔍
09/07/2004 +1193 days 🔍
07/04/2014 +3587 days 🔍
01/29/2025 +3862 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: marc.theaimsgroup.com
Researcher: Thor Larholm
Status: Confirmed

CVE: CVE-2001-0322 (🔍)
GCVE (CVE): GCVE-0-2001-0322
GCVE (VulDB): GCVE-100-16751
X-Force: 5938 - Microsoft Internet Explorer mshtml.dll denial of service
SecurityFocus: 2202 - Microsoft MSHTML.DLL Crash Vulnerability
Vulnerability Center: 5320 - DoS in Internet Explorer 4.0 MSHTML.DLL HTML Parser, Medium

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

Entryinfo

Created: 07/04/2014 12:44
Updated: 01/29/2025 17:14
Changes: 07/04/2014 12:44 (41), 04/07/2017 12:06 (22), 01/29/2025 17:14 (27)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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