CVEvulnerability
CVE-2012-4776
9.3 HIGH
Official page ↗
- Status
- Modified
- Published
- 2012-11-14
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-20
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."
Affected configurations
• microsoft .net framework 2.0
• microsoft .net framework 3.5.1
• microsoft .net framework 4.0
• microsoft .net framework 3.5
• microsoft .net framework 4.5
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://osvdb.org/87266 osvdb.org
- http://secunia.com/advisories/51236 secunia.com
- http://www.securityfocus.com/bid/56463 www.securityfocus.com
- http://www.securitytracker.com/id?1027753 www.securitytracker.com
- http://www.us-cert.gov/cas/techalerts/TA12-318A.html US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074 docs.microsoft.com
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810 oval.cisecurity.org
- http://osvdb.org/87266 osvdb.org
- http://secunia.com/advisories/51236 secunia.com
- http://www.securityfocus.com/bid/56463 www.securityfocus.com
- http://www.securitytracker.com/id?1027753 www.securitytracker.com
- http://www.us-cert.gov/cas/techalerts/TA12-318A.html US Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-074 docs.microsoft.com
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15810 oval.cisecurity.org