Microsoft Internet Explorer up to 7 Urlmon.dll code injection

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Internet Explorer up to 7. This affects an unknown function in the library Urlmon.dll. This manipulation causes code injection. This vulnerability is handled as CVE-2007-0218. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer up to 7 (Web Browser). It has been declared as critical. Affected by this vulnerability is some unknown processing in the library Urlmon.dll. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Microsoft Internet Explorer 5.01 and 6 allows remote attackers to execute arbitrary code by instantiating certain COM objects from Urlmon.dll, which triggers memory corruption during a call to the IObjectSafety function.

The weakness was released 06/12/2007 by Tom Cross with iDefense as MS07-033 as confirmed bulletin (Technet). The advisory is shared at microsoft.com. This vulnerability is known as CVE-2007-0218 since 01/12/2007. 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. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 25486 (MS07-033: Cumulative Security Update for Internet Explorer (933566)), 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 100047 (Cumulative Security Update for Internet Explorer (MS07-033)).

Upgrading eliminates this vulnerability. Applying the patch MS07-033 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. Attack attempts may be identified with Snort ID 7928. In this case the pattern 79EAC9E7-BAF9-11CE-8C82-00AA004BA90B is used for detection.

The vulnerability is also documented in the databases at X-Force (32106), Tenable (25486), SecurityFocus (BID 24372†), OSVDB (35348†) and Secunia (SA25627†). Entries connected to this vulnerability are available at VDB-2981, VDB-3124, VDB-3122 and VDB-3123. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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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: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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Nessus ID: 25486
Nessus Name: MS07-033: Cumulative Security Update for Internet Explorer (933566)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 102057
OpenVAS Name: Cumulative Security Update for Internet Explorer (933566)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: MS07-033

Snort ID: 7928
Snort Message: WEB-ACTIVEX file or local Asychronous Pluggable Protocol Handler ActiveX clsid access
Snort Pattern: 🔍

Timelineinfo

01/12/2007 🔍
06/12/2007 +151 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/12/2007 +0 days 🔍
06/18/2007 +5 days 🔍
03/15/2021 +5019 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS07-033
Researcher: Tom Cross
Organization: iDefense
Status: Confirmed

CVE: CVE-2007-0218 (🔍)
GCVE (CVE): GCVE-0-2007-0218
GCVE (VulDB): GCVE-100-3121

OVAL: 🔍

X-Force: 32106 - Microsoft Internet Explorer COM object code execution, High Risk
SecurityFocus: 24372 - Microsoft Internet Explorer URLMON.DLL COM Object Instantiation Remote Code Execution Vulnerability
Secunia: 25627 - Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 35348
SecurityTracker: 1018235 - Microsoft Internet Explorer Bugs Let Remote Users Execute Arbitrary Code
Vupen: ADV-2007-2153

See also: 🔍

Entryinfo

Created: 06/18/2007 19:38
Updated: 03/15/2021 14:33
Changes: 06/18/2007 19:38 (61), 04/07/2017 12:01 (28), 03/15/2021 14:33 (3)
Complete: 🔍
Cache ID: 216::103

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

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