CVE-2012-4776

Severity CVSS v4.0:

Pending analysis

Type:

CWE-20 Input Validation

Publication date:

14/11/2012

Last modified:

11/04/2025

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."

Impact

Vector 2.0

AV:N/AC:M/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.30 HIGH
Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0

9.30

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:microsoft:.net_framework:2.0:sp2::::::
cpe:2.3:o:microsoft:windows_server_2003::sp2::::::*
cpe:2.3:o:microsoft:windows_server_2008::sp2:itanium:::::
cpe:2.3:o:microsoft:windows_server_2008::sp2:x64:::::
cpe:2.3:o:microsoft:windows_server_2008::sp2:x86:::::
cpe:2.3:o:microsoft:windows_vista::sp2::::::*
cpe:2.3:o:microsoft:windows_xp::sp3::::::*
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:::::*
cpe:2.3:a:microsoft:.net_framework:3.5.1:::::::*
cpe:2.3:o:microsoft:windows_7:::x64:::::*
cpe:2.3:o:microsoft:windows_7:::x86:::::*
cpe:2.3:o:microsoft:windows_7::sp1:x64:::::
cpe:2.3:o:microsoft:windows_7::sp1:x86:::::
cpe:2.3:o:microsoft:windows_server_2008::r2:itanium:::::
cpe:2.3:o:microsoft:windows_server_2008::r2:x64:::::

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:microsoft:.net_framework:2.0:sp2::::::
cpe:2.3:o:microsoft:windows_server_2003::sp2::::::*
cpe:2.3:o:microsoft:windows_server_2008::sp2:itanium:::::
cpe:2.3:o:microsoft:windows_server_2008::sp2:x64:::::
cpe:2.3:o:microsoft:windows_server_2008::sp2:x86:::::
cpe:2.3:o:microsoft:windows_vista::sp2::::::*
cpe:2.3:o:microsoft:windows_xp::sp3::::::*
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:::::*
cpe:2.3:a:microsoft:.net_framework:3.5.1:::::::*
cpe:2.3:o:microsoft:windows_7:::x64:::::*
cpe:2.3:o:microsoft:windows_7:::x86:::::*
cpe:2.3:o:microsoft:windows_7::sp1:x64:::::
cpe:2.3:o:microsoft:windows_7::sp1:x86:::::
cpe:2.3:o:microsoft:windows_server_2008::r2:itanium:::::
cpe:2.3:o:microsoft:windows_server_2008::r2:x64:::::

CVE-2012-4776

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools