Vulnerability Name:

CVE-2018-8416 (CCN-152256)

Assigned:2018-11-13
Published:2018-11-13
Updated:2020-08-24
Summary:A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1.
CVSS v3 Severity:6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
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:N/I:H/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:N/I:H/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): None
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:4.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:C/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Complete
Availibility (A): None
Vulnerability Type:CWE-noinfo
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2018-8416

Source: BID
Type: Third Party Advisory, VDB Entry
105798

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1042128

Source: REDHAT
Type: Third Party Advisory
RHSA-2018:3676

Source: XF
Type: UNKNOWN
ms-dotnet-cve20188416-tampering(152256)

Source: CCN
Type: Microsoft Security TechCenter - November 2018
Microsoft .NET Core Tampering Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:.net_core:1.0:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:1.1:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:2.1:-:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.disco:def:201884160000000
    V
    		CVE-2018-8416 on Ubuntu 19.04 (disco) - low.
    2018-11-14
    oval:com.ubuntu.bionic:def:201884160000000
    V
    		CVE-2018-8416 on Ubuntu 18.04 LTS (bionic) - low.
    2018-11-14
    oval:com.ubuntu.xenial:def:201884160000000
    V
    		CVE-2018-8416 on Ubuntu 16.04 LTS (xenial) - low.
    2018-11-14
    oval:com.ubuntu.bionic:def:20188416000
    V
    		CVE-2018-8416 on Ubuntu 18.04 LTS (bionic) - low.
    2018-11-13
    oval:com.ubuntu.cosmic:def:201884160000000
    V
    		CVE-2018-8416 on Ubuntu 18.10 (cosmic) - low.
    2018-11-13
    oval:com.ubuntu.cosmic:def:20188416000
    V
    		CVE-2018-8416 on Ubuntu 18.10 (cosmic) - low.
    2018-11-13
    oval:com.ubuntu.trusty:def:20188416000
    V
    		CVE-2018-8416 on Ubuntu 14.04 LTS (trusty) - low.
    2018-11-13
    oval:com.ubuntu.xenial:def:20188416000
    V
    		CVE-2018-8416 on Ubuntu 16.04 LTS (xenial) - low.
    2018-11-13
    BACK
    microsoft asp.net core 2.1
    microsoft .net core 1.0
    microsoft .net core 1.1
    microsoft .net core 2.0
    microsoft .net core 2.1