HTTP: Microsoft .NET Web Proxy Auto Discovery Vulnerability
This signature detects attempts to exploit a known vulnerability against Microsoft .NET Web Proxy. A successful attack can lead to arbitrary code execution.
Extended Description
The Web Proxy Auto-Discovery (WPAD) functionality in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not validate configuration data that is returned during acquisition of proxy settings, which allows remote attackers to execute arbitrary JavaScript code by providing crafted data during execution of (1) an XAML browser application (aka XBAP) or (2) a .NET Framework application, aka "Web Proxy Auto-Discovery Vulnerability."
Short Name
HTTP:STC:DL:DOT-NET-WEB-PROXY
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
.NET Auto CVE-2012-4776 Discovery Microsoft Proxy Vulnerability Web bid:56463
Release Date
11/12/2012
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
3723
False Positive
Unknown
CVSS Score
9.3