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CVE-2017-0248

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Date: May 12, 2017

Microsoft .NET Framework 2.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 4.7 allow an attacker to bypass Enhanced Security Usage taggings when they present a certificate that is invalid for a specific use, aka ".NET Security Feature Bypass Vulnerability."

Language: C#

Severity Score

Related Resources (7)

http://www.securitytracker.com/id/1038458
https://nvd.nist.gov/vuln/detail/CVE-2017-0248
http://www.securityfocus.com/bid/98117
https://github.com/aspnet/Announcements/issues/239
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0248
https://github.com/advisories/GHSA-ch6p-4jcm-h8vh
https://www.mend.io/vulnerability-database/CVE-2017-0248

Severity Score

Weakness Type (CWE)

Improper Certificate Validation

CWE-295

Security Features

CWE-254

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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