Rule Category

BROWSER-IE -- Snort has detected traffic known to exploit vulnerabilities present in the Internet Explorer browser, or products that have the Trident or Tasman engines.

Alert Message

BROWSER-IE Microsoft Internet Explorer layout object use after free attempt

Rule Explanation

Microsoft Internet Explorer 8 for Windows XP SP2 and SP3; 8 for Server 2003 SP2; 8 for Vista Gold, SP1, and SP2; and 8 for Server 2008 SP2 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code via "malformed row property references" that trigger an access of an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "HTML Objects Memory Corruption Vulnerability" or "HTML Object Memory Corruption Vulnerability." Impact: CVSS base score 9.3 CVSS impact score 10.0 CVSS exploitability score 8.6 confidentialityImpact COMPLETE integrityImpact COMPLETE availabilityImpact COMPLETE Details: Ease of Attack:

What To Look For

Known Usage

No public information

False Positives

No known false positives

Contributors

Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].

MITRE ATT&CK Framework

Tactic:

Technique:

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Additional Links

Rule Vulnerability

CVE Additional Information

CVE-2009-1532
Microsoft Internet Explorer 8 for Windows XP SP2 and SP3; 8 for Server 2003 SP2; 8 for Vista Gold, SP1, and SP2; and 8 for Server 2008 SP2 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code via "malformed row property references" that trigger an access of an object that (1) was not properly initialized or (2) is deleted, leading to memory corruption, aka "HTML Objects Memory Corruption Vulnerability" or "HTML Object Memory Corruption Vulnerability."
Details
SeverityHIGH Base Score9.3
Impact Score10.0 Exploit Score8.6
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access