Vulnerability Name:

CVE-2017-8700 (CCN-131136)

Assigned:2017-11-14
Published:2017-11-14
Updated:2019-10-03
Summary:ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka "ASP.NET Core Information Disclosure Vulnerability".
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-8700

Source: BID
Type: Third Party Advisory, VDB Entry
101712

Source: CCN
Type: BID-101712
Microsoft ASP.NET Core CVE-2017-8700 Information Disclosure Vulnerability

Source: SECTRACK
Type: Issue Tracking, Third Party Advisory, VDB Entry
1039793

Source: XF
Type: UNKNOWN
ms-dotnet-cve20178700-info-disc(131136)

Source: CCN
Type: Microsoft Security TechCenter - November 2017
ASP.NET Core Information Disclosure Vulnerability

Source: CONFIRM
Type: Issue Tracking, Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-8700

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft asp.net core 1.0
    microsoft asp.net core 1.1
    microsoft asp.net core 2.0
    microsoft asp.net core 1.0
    microsoft asp.net core 1.1