Microsoft Internet Explorer CSS/Style code execution
| ie-css-style-code-execution (54367) |  High Risk |
Description:
Microsoft Internet Explorer could allow a remote attacker to execute code on the system, caused by an invalid pointer reference error. By persuading a victim to visit a specially-crafted Web page, a remote attacker could exploit this vulnerability to access a deleted a CSS/Style object to execute arbitrary code with the privileges of the victim.
*CVSS:
| Base Score: | 9.3 |
| Access Vector: | Network |
| Access Complexity: | Medium |
| Authentication: | None |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 7.7 |
| Exploitability: | Functional |
| Remediation Level: | Official-Fix |
| Report Confidence: | Confirmed |
Consequences:
Gain Access
Remedy:
Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.
— OR —
Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.
References:
- BugTraq Mailing List, Fri Nov 20 2009: IE7.
- IBM Internet Security Systems Protection Alert: Microsoft Internet Explorer mshtml.dll RCE.
- iDefense Public Advisory: 12.08.09: Microsoft Internet Explorer HTML Layout Engine Uninitialized Memory Vulnerability.
- Microsoft Security Advisory (977981): Vulnerability in Internet Explorer Could Allow Remote Code Execution.
- Microsoft Security Bulletin MS09-072: Cumulative Security Update for Internet Explorer (976325).
- Microsoft Security Bulletin MS10-002: Cumulative Security Update for Internet Explorer (978207).
- Microsoft Security Bulletin MS10-018: Cumulative Security Update for Internet Explorer (980182).
- Microsoft Security Bulletin MS10-035: Cumulative Security Update for Internet Explorer (982381).
- Microsoft Security Bulletin MS10-053: Cumulative Security Update for Internet Explorer (2183461).
- Microsoft Security Bulletin MS10-071: Cumulative Security Update for Internet Explorer (2360131).
- Microsoft Security Bulletin MS10-090: Cumulative Security Update for Internet Explorer (2416400).
- Microsoft Security Bulletin MS11-003: Cumulative Security Update for Internet Explorer (2482017).
- Microsoft Security Bulletin MS11-018: Cumulative Security Update for Internet Explorer (2497640).
- Microsoft Security Bulletin MS11-050: Cumulative Security Update for Internet Explorer (2530548).
- Microsoft Security Bulletin MS11-057: Cumulative Security Update for Internet Explorer (2559049).
- Microsoft Security Bulletin MS11-081: Cumulative Security Update for Internet Explorer (2586448).
- Microsoft Security Bulletin MS11-099: Cumulative Security Update for Internet Explorer (2618444).
- Microsoft Web site: Internet Explorer.
- BID-37085: Microsoft Internet Explorer 'Style' Object Remote Code Execution Vulnerability
- CVE-2009-3672: Microsoft Internet Explorer 6 and 7 does not properly handle objects in memory that (1) were not properly initialized or (2) are deleted, which allows remote attackers to execute arbitrary code via vectors involving a call to the getElementsByTagName method for the STYLE tag name, selection of the single element in the returned list, and a change to the outerHTML property of this element, related to Cascading Style Sheets (CSS) and mshtml.dll, aka HTML Object Memory Corruption Vulnerability. NOTE: some of these details are obtained from third party information. NOTE: this issue was originally assigned CVE-2009-4054, but Microsoft assigned a duplicate identifier of CVE-2009-3672. CVE consumers should use this identifier instead of CVE-2009-4054.
- SA37448: Internet Explorer Layout Handling Memory Corruption Vulnerability
- SECTRACK ID: 1023293: Microsoft Internet Explorer Memory Access Flaws Let Remote Users Execute Arbitrary Code
- US-CERT VU#515749: Microsoft Internet Explorer CSS style element vulnerability
- VUPEN/ADV-2009-3301: Microsoft Internet Explorer CSS Handling Code Execution Vulnerability (MS09-072)
- VUPEN/ADV-2009-3437: Microsoft Internet Explorer Memory Corruption Vulnerabilities (MS09-072)
Platforms Affected:
- Microsoft Internet Explorer 6.0 SP1
- Microsoft Internet Explorer 6.0
- Microsoft Internet Explorer 7.0
- Microsoft Windows 2000 SP4
- Microsoft Windows Server 2003 SP2 x64
- Microsoft Windows Server 2003 SP2 Itanium
- Microsoft Windows Server 2003 SP2
- Microsoft Windows Server 2008 SP2 x32
- Microsoft Windows Server 2008
- Microsoft Windows Server 2008 SP2 x64
- Microsoft Windows Server 2008 x64
- Microsoft Windows Server 2008 x32
- Microsoft Windows Server 2008 Itanium
- Microsoft Windows Server 2008 SP2 Itanium
- Microsoft Windows Vista SP2 x64
- Microsoft Windows Vista SP2
- Microsoft Windows Vista SP1 x64
- Microsoft Windows Vista x64
- Microsoft Windows Vista
- Microsoft Windows Vista SP1
- Microsoft Windows XP SP2
- Microsoft Windows XP
- Microsoft Windows XP SP3
- Microsoft Windows XP SP2 Professional
Reported:
Nov 20, 2009
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.
For corrections or additions please email xforce@iss.net
* According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES "AS IS" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.