Vulnerability Name:

CVE-2018-0787 (CCN-136886)

Assigned:2017-12-01
Published:2018-03-13
Updated:2018-04-11
Summary:ASP.NET Core 1.0. 1.1, and 2.0 allow an elevation of privilege vulnerability due to how web applications that are created from templates validate web requests, aka "ASP.NET Core Elevation Of Privilege Vulnerability".
CVSS v3 Severity:8.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
9.6 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)
8.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:6.8 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-640
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2018-0787

Source: BID
Type: Third Party Advisory, VDB Entry
103282

Source: CCN
Type: BID-103282
Microsoft ASP.NET Core CVE-2018-0787 Remote Privilege Escalation Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1040525

Source: XF
Type: UNKNOWN
ms-dotnet-cve20180787-priv-esc(136886)

Source: CONFIRM
Type: Technical Description, Third Party Advisory
https://github.com/aspnet/Announcements/issues/295

Source: CCN
Type: Microsoft Security TechCenter - March 2018
ASP.NET Core Elevation of Privilege Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0787

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2018-0787

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:2.0:*:*:*:*:*:*:*

    • * 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 2.0