Microsoft Internet Explorer up to 7 Cmarkup memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Internet Explorer up to 7. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component Cmarkup Handler. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2007-0942. The attack may be performed from remote. There is no available exploit. 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. This vulnerability affects some unknown processing of the component Cmarkup 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. CVE summarizes:

Microsoft Internet Explorer 5.01 SP4 on Windows 2000 SP4; 6 SP1 on Windows 2000 SP4; 6 and 7 on Windows XP SP2, or Windows Server 2003 SP1 or SP2; and possibly 7 on Windows Vista does not properly "instantiate certain COM objects as ActiveX controls," which allows remote attackers to execute arbitrary code via a crafted COM object from chtskdic.dll.

The weakness was presented 05/08/2007 by JJ. Reyes with Secunia Research as MS07-027 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability was named CVE-2007-0942 since 02/14/2007. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 102056 , which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 100046 (Microsoft Internet Explorer Cumulative Security Update (MS07-027)).

Upgrading eliminates this vulnerability. Applying the patch MS07-027 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.

The vulnerability is also documented in the databases at X-Force (33252), Tenable (102056), SecurityFocus (BID 23771†), OSVDB (34399†) and Secunia (SA23769†). See VDB-3057, VDB-3056, VDB-3054 and VDB-3055 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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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: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102056
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 102056
OpenVAS Name: Cumulative Security Update for Internet Explorer (931768)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: MS07-027

Timelineinfo

02/14/2007 🔍
05/08/2007 +83 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/10/2007 +2 days 🔍
07/08/2010 +1155 days 🔍
03/15/2021 +3903 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS07-027
Researcher: JJ. Reyes
Organization: Secunia Research
Status: Confirmed

CVE: CVE-2007-0942 (🔍)
GCVE (CVE): GCVE-0-2007-0942
GCVE (VulDB): GCVE-100-3058

OVAL: 🔍

X-Force: 33252 - Microsoft Internet Explorer chtskdic.dll COM object code execution
SecurityFocus: 23771 - Microsoft Internet Explorer Object Handling Remote Code Execution Vulnerability
Secunia: 23769 - Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 34399
SecurityTracker: 1018019 - Microsoft Internet Explorer Bugs Let Remote Users Modify Files or Execute Arbitrary Code
Vupen: ADV-2007-1712

See also: 🔍

Entryinfo

Created: 05/10/2007 14:39
Updated: 03/15/2021 13:18
Changes: 05/10/2007 14:39 (77), 09/05/2019 13:36 (9), 03/15/2021 13:11 (7), 03/15/2021 13:18 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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