Microsoft Windows Jscript code execution
| win-jscript-code-execution (52770) |  High Risk |
Description:
The Microsoft Windows JScript scripting engine could allow a remote attacker to execute arbitrary code on the system, caused by a vulnerability regarding the decoding of scripts within a Web page. By persuading a victim to visit a specially-crafted Web site that is running the malicious script, a remote attacker could exploit this vulnerability to execute arbitrary code on the system 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: | 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 The original bulletin issued by Microsoft has been superseded.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:
- http://www.iss.net/threats/346.html: Microsoft Windows JScript Remote Code Execution.
- Microsoft Security Bulletin MS09-045: Vulnerability in JScript Scripting Engines Could Allow Remote Code Execution (971961).
- Microsoft Security Bulletin MS11-031: Vulnerability in JScript and VBScript Scripting Engines Could Allow Remote Code Execution (2514666).
- ZDI-09-062: Microsoft Internet Explorer JScript arguments Invocation Memory Corruption Vulnerability.
- BID-36224: Microsoft JScript Scripting Engine Keyword Arguments Remote Code Execution Vulnerability
- CVE-2009-1920: The JScript scripting engine 5.1, 5.6, 5.7, and 5.8 in JScript.dll in Microsoft Windows, as used in Internet Explorer, does not properly load decoded scripts into memory before execution, which allows remote attackers to execute arbitrary code via a crafted web site that triggers memory corruption, aka JScript Remote Code Execution Vulnerability.
- SA36551: Microsoft JScript Scripting Engine Memory Corruption Vulnerability
- VUPEN/ADV-2009-2563: Microsoft Internet Explorer Jscript Code Execution Vulnerability (MS09-045)
Platforms Affected:
- Microsoft JScript 5.1
- Microsoft JScript 5.6
- Microsoft JScript 5.7
- Microsoft JScript 5.8
- Microsoft Windows 2000 SP4
- Microsoft Windows Server 2003 SP2 Itanium
- Microsoft Windows Server 2003 SP2
- Microsoft Windows Server 2003 SP2 x64
- Microsoft Windows Server 2008 SP2 x32
- Microsoft Windows Server 2008 SP2
- Microsoft Windows Server 2008
- Microsoft Windows Server 2008 SP2 x64
- Microsoft Windows Server 2008 x64
- 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 x64 Professional
- Microsoft Windows XP SP2 x64 Professional
- Microsoft Windows XP SP3
- Microsoft Windows XP SP2
Reported:
Sep 08, 2009
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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.