Microsoft Internet Explorer 9/10/11 Scripting Engine memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Microsoft Internet Explorer 9/10/11. The affected element is an unknown function of the component Scripting Engine. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2016-0189. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Microsoft Internet Explorer 9/10/11 (Web Browser). It has been rated as critical. This issue affects an unknown functionality of the component Scripting Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 05/10/2016 by Brian Pak with Microsoft as MS16-051 as confirmed bulletin (Technet). The advisory is shared at technet.microsoft.com. The identification of this vulnerability is CVE-2016-0189 since 12/04/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Brian Pak and been published 2 months after the advisory. The exploit is available at exploit-db.com. It is declared as attacked. We expect the 0-day to have been worth approximately $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 91001 (MS16-051: Cumulative Security Update for Internet Explorer (3155533)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91220 (Microsoft JScript and VBScript Remote Code Execution Vulnerabilities (MS16-053)). The CISA Known Exploited Vulnerabilities Catalog lists this issue since 03/28/2022 with a due date of 04/18/2022:

Apply updates per vendor instructions.

Applying the patch MS16-051 is able to eliminate this problem. The bugfix is ready for download at technet.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40118), Zero-Day.cz (206), Tenable (91001) and SecurityFocus (BID 90012†). The entries VDB-87135, VDB-87136, VDB-87138 and VDB-87139 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Author: Brian Pak
Download: 🔍

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KEV Added: 🔍
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Nessus ID: 91001
Nessus Name: MS16-051: Cumulative Security Update for Internet Explorer (3155533)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 840937
OpenVAS Name: Microsoft Internet Explorer Multiple Vulnerabilities (3155533)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: ms16_051_vbscript.rb
MetaSploit Name: Internet Explorer 11 VBScript Engine Memory Corruption
MetaSploit File: 🔍

Exploit-DB: 🔍
Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍

Patch: MS16-051
Suricata ID: 2022971
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

12/04/2015 🔍
05/10/2016 +158 days 🔍
05/10/2016 +0 days 🔍
05/10/2016 +0 days 🔍
05/10/2016 +0 days 🔍
05/11/2016 +1 days 🔍
06/22/2016 +42 days 🔍
06/22/2016 +0 days 🔍
09/09/2024 +3001 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-051
Researcher: Brian Pak
Organization: Microsoft
Status: Confirmed

CVE: CVE-2016-0189 (🔍)
GCVE (CVE): GCVE-0-2016-0189
GCVE (VulDB): GCVE-100-87137
SecurityFocus: 90012 - Microsoft Internet Explorer CVE-2016-0189 Scripting Engine Remote Memory Corruption Vulnerability
SecurityTracker: 1035820

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 05/11/2016 10:48
Updated: 09/09/2024 22:30
Changes: 05/11/2016 10:48 (63), 04/07/2017 12:15 (33), 08/18/2022 08:03 (4), 08/18/2022 08:08 (1), 04/25/2024 05:34 (23), 07/07/2024 19:47 (2), 07/09/2024 22:34 (1), 09/09/2024 22:30 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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