HTTP: Microsoft Internet Explorer Improper Ref Counting Use After Free
This signature detects attempts to exploit a known vulnerability against Microsoft Internet Explorer. A successful attack can lead to arbitrary code execution.
Extended Description
Use-after-free vulnerability in Microsoft Internet Explorer 9 and 10 allows remote attackers to execute arbitrary code via a crafted web site that triggers access to an object that (1) was not properly initialized or (2) is deleted, aka "Improper Ref Counting Use After Free Vulnerability."
Short Name
HTTP:STC:IE:IMPROPER-REF
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
After CVE-2012-4787 Counting Explorer Free Improper Internet Microsoft Ref Use bid:56830
Release Date
12/10/2012
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3659
False Positive
Unknown
CVSS Score
9.3