CVE-2012-4776 (GCVE-0-2012-4776)
Vulnerability from cvelistv5 – Published: 2012-11-14 00:00 – Updated: 2024-08-06 20:42
VLAI?
Summary
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."
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | ||||||||||||||||||||||
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"lastModified": "2024-11-21T01:43:31.407",
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"nvd": "{\"cve\":{\"id\":\"CVE-2012-4776\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2012-11-14T00:55:01.747\",\"lastModified\":\"2025-04-11T00:51:21.963\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"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.\\\"\"},{\"lang\":\"es\",\"value\":\"La funcionalidad Web Proxy Auto-Discovery (WPAD) de Microsoft .NET Framework v2.0 SP2, v3.5, v3.5.1, v4 y v4.5 no valida los datos de configuraci\u00f3n que se devuelven durante la adquisici\u00f3n de la configuraci\u00f3n del proxy, lo que permite a atacantes remotos ejecutar c\u00f3digo JavaScript proporcionando datos modificados durante la ejecuci\u00f3n de (1) una aplicaci\u00f3n de explorador XAML (tambien conocido como XBAP) o (2) una aplicaci\u00f3n .NET Framework. 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vulnerabilidad\\\".\\r\\n\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:C/I:C/A:C\",\"baseScore\":9.3,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":8.6,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":true}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"42A6DF09-B8E1-414D-97E7-453566055279\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4D3B5E4F-56A6-4696-BBB4-19DF3613D020\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:*\",\"matchCriteriaId\":\"7C684420-1614-4DAE-9BD9-F1FE9102A50F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*\",\"matchCriteriaId\":\"FFF81F4B-7D92-4398-8658-84530FB8F518\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:*\",\"matchCriteriaId\":\"32C28EC2-8A34-4E30-A76A-86921D7332C1\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"0A0D2704-C058-420B-B368-372D1129E914\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*\",\"matchCriteriaId\":\"CE477A73-4EE4-41E9-8694-5A3D5DC88656\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*\",\"matchCriteriaId\":\"FFAC3F90-77BF-4F56-A89B-8A3D2D1FC6D6\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8EDC4407-7E92-4E60-82F0-0C87D1860D3A\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:*\",\"matchCriteriaId\":\"CE381783-027E-4B6D-B801-59873E5EA483\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:*\",\"matchCriteriaId\":\"A2C3594F-7C2C-4E2D-9BC5-F4F89B7BF4D5\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*\",\"matchCriteriaId\":\"4FA15D65-7C32-4C7A-9915-746AB3F454EE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:*\",\"matchCriteriaId\":\"976EFC05-9B37-4661-AD34-4FFDB5AB48E0\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*\",\"matchCriteriaId\":\"B2B19826-5516-4899-9599-F95D0A03FBCD\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*\",\"matchCriteriaId\":\"4945F25F-2828-4D03-930B-A109BA73E00C\"}]}]},{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:microsoft:.net_framework:4.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"792B417F-96A0-4E9D-9E79-5D7F982E2225\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:*:x64:*:*:*:*:*\",\"matchCriteriaId\":\"CE381783-027E-4B6D-B801-59873E5EA483\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:*\",\"matchCriteriaId\":\"A2C3594F-7C2C-4E2D-9BC5-F4F89B7BF4D5\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*\",\"matchCriteriaId\":\"4FA15D65-7C32-4C7A-9915-746AB3F454EE\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_7:*:sp1:x86:*:*:*:*:*\",\"matchCriteriaId\":\"976EFC05-9B37-4661-AD34-4FFDB5AB48E0\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*\",\"matchCriteriaId\":\"4D3B5E4F-56A6-4696-BBB4-19DF3613D020\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*\",\"matchCriteriaId\":\"B2B19826-5516-4899-9599-F95D0A03FBCD\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*\",\"matchCriteriaId\":\"4945F25F-2828-4D03-930B-A109BA73E00C\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windows_server_2008:*:sp2:itanium:*:*:*:*:*\",\"matchCriteriaId\":\"7C684420-1614-4DAE-9BD9-F1FE9102A50F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:o:microsoft:windo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}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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