CVE-2012-4776

CVSS V2 High 9.3 CVSS V3 None
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."
Overview
  • CVE ID
  • CVE-2012-4776
  • Assigner
  • secure@microsoft.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2012-11-14T00:55:01
  • Last Modified Date
  • 2020-09-28T12:58:30
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_vista:*:sp2:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* 0 OR
AND
cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:* 0 OR
AND
cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_vista:*:sp2:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:* 0 OR
AND
cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_8:-:-:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_8:-:-:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:a:microsoft:.net_framework:4.5:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:* 0 OR
cpe:2.3:o:microsoft:windows_vista:*:sp2:x64:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:C/I:C/A:C
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • COMPLETE
  • Integrity Impact
  • COMPLETE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 9.3
  • Severity
  • HIGH
  • Exploitability Score
  • 8.6
  • Impact Score
  • 10
References
Reference URL Reference Tags
http://www.us-cert.gov/cas/techalerts/TA12-318A.html US Government Resource
http://www.securityfocus.com/bid/56463
http://osvdb.org/87266
http://www.securitytracker.com/id?1027753
http://secunia.com/advisories/51236
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2012-4776
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4776
History
Created Old Value New Value Data Type Notes
2022-05-10 17:12:53 Added to TrackCVE