PT-2009-4380 · Microsoft · Jscript

Ling + 1 · CVE-2009-1920 · Published 2009-09-08 · Updated 2023-12-07

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions: JScript scripting engine versions 5.1, 5.6, 5.7, and 5.8

Description: The issue is related to the improper loading of decoded scripts into memory before execution, which can lead to memory corruption. This can be exploited by remote attackers via a crafted web site, allowing them to execute arbitrary code.

Recommendations: For JScript scripting engine version 5.1, update to a version that properly handles script loading into memory. For JScript scripting engine version 5.6, update to a version that properly handles script loading into memory. For JScript scripting engine version 5.7, update to a version that properly handles script loading into memory. For JScript scripting engine version 5.8, update to a version that properly handles script loading into memory.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2009-1920

Affected Products

Jscript

References · 4

• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-045 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2009-1920 · Security Note
• http://us-cert.gov/cas/techalerts/TA09-251A.html · Note
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6316 · Note