Microsoft Internet Explorer 5.01/5.5/6.0 memory corruption

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5.7$0-$5k0.00

A vulnerability classified as critical was found in Microsoft Internet Explorer 5.01/5.5/6.0 (Web Browser). This vulnerability affects an unknown functionality. 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. CVE summarizes:

Microsoft Internet Explorer 5.01, 5.5, and 6 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a web page with embedded CLSIDs that reference certain COM objects that are not intended for use within Internet Explorer, as originally demonstrated using the (1) DDS Library Shape Control (Msdds.dll) COM object, and other objects including (2) Blnmgrps.dll, (3) Ciodm.dll, (4) Comsvcs.dll, (5) Danim.dll, (6) Htmlmarq.ocx, (7) Mdt2dd.dll (as demonstrated using a heap corruption attack with uninitialized memory), (8) Mdt2qd.dll, (9) Mpg4ds32.ax, (10) Msadds32.ax, (11) Msb1esen.dll, (12) Msb1fren.dll, (13) Msb1geen.dll, (14) Msdtctm.dll, (15) Mshtml.dll, (16) Msoeacct.dll, (17) Msosvfbr.dll, (18) Mswcrun.dll, (19) Netshell.dll, (20) Ole2disp.dll, (21) Outllib.dll, (22) Psisdecd.dll, (23) Qdvd.dll, (24) Repodbc.dll, (25) Shdocvw.dll, (26) Shell32.dll, (27) Soa.dll, (28) Srchui.dll, (29) Stobject.dll, (30) Vdt70.dll, (31) Vmhelper.dll, and (32) Wbemads.dll, aka a variant of the "COM Object Instantiation Memory Corruption vulnerability."

The issue has been introduced in 11/08/1999. The weakness was disclosed 08/18/2005 by Parvez Anwar with eEye Digital Security as MS05-052 (Website). The advisory is available at secunia.com. This vulnerability was named CVE-2005-2127 since 07/02/2005. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available.

After before and not just, there has been an exploit disclosed. It is possible to download the exploit at frsirt.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2110 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 20005 (MS05-052: Cumulative Security Update for Internet Explorer (896688)), 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.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at windowsupdate.microsoft.com. The problem might be mitigated by replacing the product with as an alternative. The best possible mitigation is suggested to be establishing an alternative product. A possible mitigation has been published 2 months after the disclosure of the vulnerability. Attack attempts may be identified with Snort ID 4205. In this case the pattern 03CB9467-FD9D-42A8-82F9-8615B4223E6E is used for detection. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3667.

The vulnerability is also documented in the databases at X-Force (34754), Tenable (20005), SecurityFocus (BID 15061†), OSVDB (19093†) and Secunia (SA16480†). The entries VDB-1623, VDB-1789, VDB-1793 and VDB-1792 are pretty similar. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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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: 🔍
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CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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

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Nessus ID: 20005
Nessus Name: MS05-052: Cumulative Security Update for Internet Explorer (896688)
Nessus File: 🔍
Nessus Risk: 🔍
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Nessus Context: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Alternative
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Patch: windowsupdate.microsoft.com

Snort ID: 4205
Snort Message: WEB-ACTIVEX Microsoft Visual Database Tools Database Designer v7.0 ActiveX Object Access
Snort Pattern: 🔍

Suricata ID: 2002491
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Timelineinfo

11/08/1999 🔍
07/02/2005 +2063 days 🔍
08/17/2005 +46 days 🔍
08/18/2005 +1 days 🔍
08/18/2005 +0 days 🔍
08/19/2005 +0 days 🔍
08/22/2005 +3 days 🔍
09/04/2005 +13 days 🔍
10/11/2005 +37 days 🔍
10/11/2005 +0 days 🔍
01/19/2025 +7040 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS05-052
Researcher: Parvez Anwar
Organization: eEye Digital Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2127 (🔍)
GCVE (CVE): GCVE-0-2005-2127
GCVE (VulDB): GCVE-100-1702

OVAL: 🔍

CERT: 🔍
X-Force: 34754 - Microsoft Internet Explorer MSHtmlPopupWindow object denial of service, Medium Risk
SecurityFocus: 15061 - Microsoft Internet Explorer COM Object Instantiation Variant Vulnerability
Secunia: 16480 - Microsoft Windows COM Object Instantiation Memory Corruption Vulnerability, Highly Critical
OSVDB: 19093 - Microsoft Design Tools msdds.dll COM Object Arbitrary Code Execution
SecurityTracker: 1014727 - Microsoft 'msdds.dll' COM Object Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 9032 - [MS05-052] Code Execution On Internet Explorer via Msdds.dll COM Object, Medium
Vupen: ADV-2005-1450

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

Created: 08/22/2005 12:09 PM
Updated: 01/19/2025 05:33 AM
Changes: 08/22/2005 12:09 PM (68), 04/07/2017 12:01 PM (41), 03/11/2021 08:43 PM (2), 01/19/2025 05:33 AM (19)
Complete: 🔍
Cache ID: 18:C5E:40

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