Microsoft Internet Explorer Jscript9.dll code execution
| ms-ie-jscript9-code-execution (70126) |  High Risk |
Description:
Microsoft Internet Explorer could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption error related to Jscript9.dlll when attempting to access objects that have not been correctly initialized. By persuading a victim to visit a specially-crafted Web site, an attacker could exploit this vulnerability to execute arbitrary code with 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: | 6.9 |
| 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 The original bulletin issued by Microsoft has been superseded.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 MS11-081: Cumulative Security Update for Internet Explorer (2586448).
- Microsoft Security Bulletin MS11-099: Cumulative Security Update for Internet Explorer (2618444).
- Microsoft Security Bulletin MS12-010: Cumulative Security Update for Internet Explorer (2647516).
- Microsoft Security Bulletin MS12-023: Cumulative Security Update for Internet Explorer (2675157).
- Microsoft Security Bulletin MS12-037: Cumulative Security Update for Internet Explorer (2699988).
- Microsoft Security Bulletin MS12-044: Cumulative Security Update for Internet Explorer (2719177).
- Microsoft Security Bulletin MS12-052: Cumulative Security Update for Internet Explorer (2722913).
- BID-49963: Microsoft Internet Explorer 'Jscript9.dll' CVE-2011-1998 Memory Corruption Vulnerability
- CVE-2011-1998: Microsoft Internet Explorer 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that was not properly initialized, aka Jscript9.dll Remote Code Execution Vulnerability.
- SA46400: Microsoft Internet Explorer Multiple Vulnerabilities
Platforms Affected:
- Microsoft Internet Explorer 9.0
Reported:
Oct 11, 2011
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 ignore thisxforceignore this@ignore thisus.ignore thisibm.comignore this
* 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.