Microsoft Internet Explorer 5.01/5.5/6.0 URL Double-Byte memory corruption

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.
6.0$0-$5k0.00

A vulnerability classified as critical was found in Microsoft Internet Explorer 5.01/5.5/6.0 (Web Browser). Affected by this vulnerability is an unknown functionality of the component URL Double-Byte Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in Microsoft Internet Explorer 5.01 through 6 allows remote attackers to execute arbitrary code via certain invalid HTML that causes memory corruption.

The weakness was presented 04/11/2006 by Sowhat with Nevis Labs as MS06-013 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. This vulnerability is known as CVE-2006-1185. 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. The technical details are unknown and an exploit is not publicly available.

We expect the 0-day to have been worth approximately $25k-$100k. 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)).

Applying the patch MS06-013 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 Tenable (21210), SecurityFocus (BID 17450†) and Secunia (SA18957†). See VDB-2089, VDB-2102, VDB-2110 and VDB-2138 for similar entries.

Productinfo

Type

Vendor

Name

Version

License

Support

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

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: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: MS06-013

Timelineinfo

03/13/2006 🔍
04/11/2006 +28 days 🔍
04/11/2006 +0 days 🔍
04/11/2006 +0 days 🔍
04/12/2006 +1 days 🔍
03/12/2021 +5448 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS06-013
Researcher: Sowhat
Organization: Nevis Labs
Status: Confirmed

CVE: CVE-2006-1185 (🔍)
OVAL: 🔍

X-Force: 25542
SecurityFocus: 17450
Secunia: 18957 - Internet Explorer Multiple Vulnerabilities, Highly Critical

See also: 🔍

Entryinfo

Created: 04/12/2006 04:40 PM
Updated: 03/12/2021 04:02 PM
Changes: 04/12/2006 04:40 PM (54), 04/07/2017 12:01 PM (14), 03/12/2021 03:49 PM (2), 03/12/2021 03:52 PM (7), 03/12/2021 03:57 PM (2), 03/12/2021 04:02 PM (1)
Complete: 🔍
Cache ID: 18:30B:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!