Vulnerability Name:

CCN-143932

Published:2018-05-29
Updated:2018-05-29
Summary:Microsoft Windows could allow a remote attacker to execute arbitrary code on the system, caused by improper handling of Error objects by the JScript engine. By persuading a victim to open specially-crafted content, an attacker could exploit this vulnerability to reuse a memory pointer after it has been freed and execute arbitrary code on the system with privileges of the victim.
CVSS v3 Severity:7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.9 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
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
CVSS v2 Severity:6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Access
References:Source: XF
Type: UNKNOWN
ms-windows-jscript-code-exec(143932)

Source: CCN
Type: ZDI-18-534
(0Day) Microsoft Windows JScript Error Object Use-After-Free Remote Code Execution Vulnerability

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:microsoft:windows:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft windows *