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Kaspersky LabKLA10828

HistoryJun 14, 2016 - 12:00 a.m.

KLA10828 Code execution vulnerabilities in Microsoft JScript and VBScript

2016-06-1400:00:00

Kaspersky Lab

threats.kaspersky.com

7.6 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:H/Au:N/C:C/I:C/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

8.1 High

AI Score

Confidence

High

0.108 Low

EPSS

Percentile

95.1%

JSON

An improper memory objects handling was found in Microsoft VBScript and JScript. By exploiting this vulnerability malicious users can execute arbitrary code. This vulnerability can be exploited remotely via a specially designed content.

Technical details

To mitigate this vulnerability you can restrict access to VBScript.dll and JScript.dll. For further instructions take a look at original advisory listed below.

Original advisories

CVE-2016-3207

CVE-2016-3206

CVE-2016-3205

Related products

Microsoft-VBScript-engine

CVE list

CVE-2016-3207 critical

CVE-2016-3206 critical

CVE-2016-3205 critical

KB list

3158364

3158363

Solution

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Impacts

Arbitrary code execution. Exploitation of vulnerabilities with this impact can lead to executing by abuser any code or commands at vulnerable machine or process.