Microsoft Internet Explorer up to 7 msauth.dll privileges management

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 rated as critical. Affected by this issue is some unknown functionality in the library msauth.dll. The manipulation leads to privileges management. This vulnerability is traded as CVE-2007-0942. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer up to 7 (Web Browser). It has been rated as critical. This issue affects an unknown function in the library msauth.dll. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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 shared 05/08/2007 by cocoruder with Fortinet as MS07-027 as confirmed bulletin (Technet). It is possible to read the advisory at microsoft.com. The identification of this vulnerability is CVE-2007-0942 since 02/14/2007. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 25166 (MS07-027: Cumulative Security Update for Internet Explorer (931768)), 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 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. Attack attempts may be identified with Snort ID 11228. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 5235.

The vulnerability is also documented in the databases at X-Force (33252), Tenable (25166), OSVDB (34399†), Secunia (SA23769†) and SecurityTracker (ID 1018019†). The entries VDB-3057, VDB-3056, VDB-3054 and VDB-3055 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 25166
Nessus Name: MS07-027: Cumulative Security Update for Internet Explorer (931768)
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: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: MS07-027

Snort ID: 11228
TippingPoint: 🔍
PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

02/14/2007 🔍
05/08/2007 +83 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/08/2007 +0 days 🔍
05/09/2007 +0 days 🔍
05/10/2007 +1 days 🔍
03/15/2021 +5058 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS07-027
Researcher: cocoruder
Organization: Fortinet
Status: Confirmed

CVE: CVE-2007-0942 (🔍)
GCVE (CVE): GCVE-0-2007-0942
GCVE (VulDB): GCVE-100-3059

OVAL: 🔍

X-Force: 33252
Secunia: 23769 - Internet Explorer Multiple Vulnerabilities, Highly Critical
OSVDB: 34399 - Microsoft IE COM Object Instantiation Memory Corruption (931768)
SecurityTracker: 1018019 - Microsoft Internet Explorer Bugs Let Remote Users Modify Files or Execute Arbitrary Code
Vulnerability Center: 15046 - [MS07-027] Microsoft Internet Explorer Remote Code Execution via Crafted COM Objects, Critical
Vupen: ADV-2007-1712

See also: 🔍

Entryinfo

Created: 05/10/2007 14:39
Updated: 03/15/2021 13:21
Changes: 05/10/2007 14:39 (84), 09/05/2019 13:36 (15), 03/15/2021 13:21 (3)
Complete: 🔍
Cache ID: 216:1E3:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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