MS16-006: Security Update for Silverlight to Address Remote Code Execution (3126036)

high Nessus Plugin ID 87880
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

A multimedia application framework installed on the remote Windows host is affected by a remote code execution vulnerability.

Description

The version of Microsoft Silverlight installed on the remote Windows host is affected by a remote code execution vulnerability due to a flaw that allows strings to be decoded by a malicious decoder that returns negative offsets. An unauthenticated, remote attacker can exploit this vulnerability, by convincing a user to visit a website containing a specially crafted Silverlight application, to replace object headers with contents provided by the attacker, resulting in the execution of arbitrary code in the context of the current user.

Solution

Microsoft has released a set of patches for Silverlight 5.

See Also

https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2016/ms16-006

Plugin Details

Severity: High

ID: 87880

File Name: smb_nt_ms16-006.nasl

Version: 1.13

Type: local

Agent: windows

Published: 1/12/2016

Updated: 11/22/2019

Dependencies: smb_hotfixes.nasl, silverlight_detect.nasl, ms_bulletin_checks_possible.nasl

Risk Information

CVSS Score Source: CVE-2016-0034

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 8.1

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

Temporal Vector: E:H/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

Temporal Vector: E:H/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:microsoft:silverlight

Required KB Items: SMB/MS_Bulletin_Checks/Possible

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/12/2016

Vulnerability Publication Date: 1/12/2016

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2016-0034

BID: 79881

MSFT: MS16-006

MSKB: 3126036