Microsoft Internet Explorer up to 6 urlmon.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

A vulnerability, which was classified as very critical, has been found in Microsoft Internet Explorer up to 6 (Web Browser). Affected by this issue is an unknown code block in the library urlmon.dll. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in URLMON.DLL in Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary code via a crafted URL with an International Domain Name (IDN) using double-byte character sets (DBCS), aka the "Double Byte Character Parsing Memory Corruption Vulnerability."

The weakness was shared 04/11/2006 by Sowhat (Website). The advisory is available at us-cert.gov. This vulnerability is handled as CVE-2006-1189. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/07/2025). It is expected to see the exploit prices for this product decreasing in the near future.

The vulnerability scanner Nessus provides a plugin with the ID 21210 (MS06-013: Cumulative Security Update for Internet Explorer (912812)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100034 (Microsoft Internet Explorer Cumulative Security Update Missing (MS06-013)).

Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 4310.

The vulnerability is also documented in the databases at X-Force (25551), Tenable (21210), SecurityFocus (BID 17454†), Secunia (SA18957†) and Vulnerability Center (SBV-11053†). The entries VDB-2089, VDB-2102, VDB-2110 and VDB-2138 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
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: 21210
Nessus Name: MS06-013: Cumulative Security Update for Internet Explorer (912812)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Fortigate IPS: 🔍

Timelineinfo

03/13/2006 🔍
04/11/2006 +29 days 🔍
04/11/2006 +0 days 🔍
04/11/2006 +0 days 🔍
04/11/2006 +0 days 🔍
04/12/2006 +1 days 🔍
03/12/2015 +3256 days 🔍
04/07/2025 +3679 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: us-cert.gov
Researcher: Sowhat
Status: Confirmed

CVE: CVE-2006-1189 (🔍)
GCVE (CVE): GCVE-0-2006-1189
GCVE (VulDB): GCVE-100-29594

OVAL: 🔍

CERT: 🔍
X-Force: 25551
SecurityFocus: 17454 - Microsoft Internet Explorer Double Byte Character Memory Corruption Vulnerability
Secunia: 18957
Vulnerability Center: 11053 - [MS06-013] Microsoft Internet Explorer Double-Byte Character Parsing Memory Corruption Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/12/2015 12:19 PM
Updated: 04/07/2025 03:45 AM
Changes: 03/12/2015 12:19 PM (64), 05/07/2019 12:40 PM (9), 07/08/2021 05:00 PM (2), 07/08/2021 05:07 PM (1), 01/04/2025 10:47 PM (17), 04/07/2025 03:45 AM (1)
Complete: 🔍
Cache ID: 18:4D5:40

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