National Cyber Awareness System
Vulnerability Summary for CVE-2009-2531
Original release date:10/14/2009
Last revised:08/21/2010
Source:
US-CERT/NIST
Overview
Microsoft Internet Explorer 6, 6 SP1, 7, and 8 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "Uninitialized Memory Corruption Vulnerability," a different vulnerability than CVE-2009-2530.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
10.0
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type:Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
References to Advisories, Solutions, and Tools
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US-CERT Technical Alert: TA09-286A
Name: TA09-286A
External Source: MS
Name: MS09-054
Type: Advisory; Patch Information
External Source: OVAL
Name: oval:org.mitre.oval:def:5766
References to Check Content
Identifier:oval:org.mitre.oval:def:5766
Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5
