Microsoft Internet Explorer HTML object freed memory code execution variant
| ie-html-memory-code-execution-variant (33256) |  High Risk |
Description:
Microsoft Internet Explorer could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption vulnerability that occurs when an HTML object attempts to access memory that has been previously freed. An attacker could exploit this vulnerability by creating a specially-crafted Web page and persuading the victim to visit the page.
Note: This is a variant of the vulnerability described by CVE-2007-0947.
*CVSS:
| Base Score: | 8 |
| Access Vector: | Remote |
| Access Complexity: | High |
| Authentication: | Not Required |
| Confidentiality Impact: | Complete |
| Integrity Impact: | Complete |
| Availability Impact: | Complete |
| Temporal Score: | 5.9 |
| Exploitability: | Unproven |
| 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 The original bulletin issued by Microsoft has been superseded.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:
- Microsoft Security Bulletin MS07-027: Cumulative Security Update for Internet Explorer (931768).
- Microsoft Security Bulletin MS07-033: Cumulative Security Update for Internet Explorer (933566).
- Microsoft Security Bulletin MS07-045: Cumulative Security Update for Internet Explorer (937143).
- Microsoft Security Bulletin MS07-057: Cumulative Security Update for Internet Explorer (939653).
- Microsoft Security Bulletin MS07-069: Cumulative Security Update for Internet Explorer (942615).
- Microsoft Security Bulletin MS08-010: Cumulative Security Update for Internet Explorer (944533).
- Microsoft Security Bulletin MS08-024: Cumulative Security Update for Internet Explorer (947864).
- Microsoft Security Bulletin MS08-031: Cumulative Security Update for Internet Explorer (950759).
- Microsoft Security Bulletin MS08-045: Cumulative Security Update for Internet Explorer (953838).
- Microsoft Security Bulletin MS08-058: Cumulative Security Update for Internet Explorer (956390).
- Secunia Research 09/05/2007: Internet Explorer HTML Objects Memory Corruption Vulnerability.
- ASA-2007-182: MS07-027 Cumulative Security Update for Internet Explorer (931768)
- BID-23772: Microsoft Internet Explorer HTML Objects Script Errors Remote Code Execution Vulnerability
- CVE-2007-0947: Use-after-free vulnerability in Microsoft Internet Explorer 7 on Windows XP SP2, Windows Server 2003 SP1 or SP2, or Windows Vista allows remote attackers to execute arbitrary code via crafted HTML objects, resulting in accessing deallocated memory of CMarkup objects, aka the second of two HTML Objects Memory Corruption Vulnerabilities and a different issue than CVE-2007-0946.
- OSVDB ID: 34403: Microsoft IE HTML CMarkup Objects Unspecified Memory Corruption
- SA23769: Internet Explorer Multiple Vulnerabilities
- SECTRACK ID: 1018019: Microsoft Internet Explorer Bugs Let Remote Users Modify Files or Execute Arbitrary Code
- VUPEN/ADV-2007-1712: Microsoft Internet Explorer Multiple Remote Code Execution Vulnerabilities (MS07-027)
Platforms Affected:
- Microsoft Internet Explorer 7.0
- Microsoft Windows 2003 Server x64
- Microsoft Windows 2003 Server SP1 Itanium
- Microsoft Windows 2003 Server SP1
- Microsoft Windows 2003 Server Itanium
- Microsoft Windows Server 2003 SP2
- Microsoft Windows Server 2003 SP2 Itanium
- Microsoft Windows Server 2003 SP2 x64
- Microsoft Windows Vista
- Microsoft Windows Vista x64
- Microsoft Windows XP SP2
- Microsoft Windows XP x64 Professional
Reported:
May 08, 2007
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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.