Current Description
Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass".
Source:
MITRE
View Analysis Description
Analysis Description
Microsoft ChakraCore allows an attacker to bypass Control Flow Guard (CFG) in conjunction with another vulnerability to run arbitrary code on a target system, due to how the Chakra scripting engine handles accessing memory, aka "Scripting Engine Security Feature Bypass".
Source:
MITRE
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
Exploitability Score:
1.6
Attack Vector (AV):
Network
Attack Complexity (AC):
High
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
8.5 HIGH
Vector:
(AV:N/AC:M/Au:S/C:C/I:C/A:C)
(V2 legend)
Impact Subscore:
10.0
Exploitability Subscore:
6.8
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
Single
Confidentiality (C):
Complete
Integrity (I):
Complete
Availability (A):
Complete
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
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Change History
2 change records found
- show changes
Initial Analysis -
2/5/2018 4:34:47 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:microsoft:chakracore:-:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:S/C:C/I:C/A:C) |
| Added |
CVSS V3 |
|
AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-254 |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/102412 No Types Assigned |
http://www.securityfocus.com/bid/102412 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0818 No Types Assigned |
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0818 Vendor Advisory |
CVE Modified by MITRE -
1/11/2018 9:29:05 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/102412 [No Types Assigned] |