AVG 'ScriptHelperApi' ActiveX Remote Code Execution

high Nessus Plugin ID 76589

Synopsis

The remote Windows host has an ActiveX control that is affected by a remote code execution vulnerability.

Description

The remote host is running a version of AVG Secure Search toolbar / AVG Safeguard, prior to version 18.1.7. The AVG ScriptHelperApi ActiveX control distributed with the software is affected by a remote code execution vulnerability. The installed ActiveX control fails to properly enforce restrictions on websites that can invoke its methods.
An attacker may exploit this issue in order to execute arbitrary code within the context of the application.

Solution

Upgrade AVG Secure Search toolbar / AVG Safeguard to version 18.1.7.598 / 18.1.7.644 or later.

Plugin Details

Severity: High

ID: 76589

File Name: avg_scripthelperapi_activex.nasl

Version: 1.2

Type: local

Agent: windows

Family: Windows

Published: 7/18/2014

Updated: 6/27/2018

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: cpe:/a:avg:safeguard, cpe:/a:avg:secure_search_toolbar

Required KB Items: SMB/Registry/Enumerated

Exploit Ease: No known exploits are available

Patch Publication Date: 5/27/2014

Vulnerability Publication Date: 7/7/2014

Reference Information

CVE: CVE-2014-2956

BID: 68421

CERT: 960193