Microsoft Edge Scripting Engine chakra.dll memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft Edge. It has been classified as critical. This vulnerability affects unknown code in the library chakra.dll of the component Scripting Engine. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2016-7201. The attack can be initiated remotely. Additionally, an exploit exists. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Edge (Web Browser) (unknown version) and classified as critical. This issue affects an unknown code block in the library chakra.dll 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 bug was discovered 11/08/2016. The weakness was released 11/08/2016 by Natalie Silvanovich with Google Project Zero as MS16-129 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2016-7201 since 09/09/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

A public exploit has been developed by Brian Pak and been published 3 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 94630 (MS16-129: Cumulative Security Update for Microsoft Edge (3199057)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 91300 (Microsoft Edge Cumulative Security Update (MS16-129)). 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 MS16-129 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 (40990), Tenable (94630) and SecurityFocus (BID 94038†). Entries connected to this vulnerability are available at VDB-93366, VDB-93367, VDB-93368 and VDB-93369. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
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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Nessus ID: 94630
Nessus Name: MS16-129: Cumulative Security Update for Microsoft Edge (3199057)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802074
OpenVAS Name: Microsoft Edge Multiple Vulnerabities (3199057)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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0-Day Time: 🔍
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Exploit Delay Time: 🔍

Patch: MS16-129

Timelineinfo

09/09/2016 🔍
11/08/2016 +60 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/08/2016 +0 days 🔍
11/09/2016 +1 days 🔍
11/10/2016 +1 days 🔍
01/05/2017 +56 days 🔍
01/05/2017 +0 days 🔍
09/09/2024 +2804 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-129
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2016-7201 (🔍)
GCVE (CVE): GCVE-0-2016-7201
GCVE (VulDB): GCVE-100-93371

OVAL: 🔍

SecurityFocus: 94038 - Microsoft Edge CVE-2016-7201 Scripting Engine Remote Memory Corruption Vulnerability
SecurityTracker: 1037245

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

Entryinfo

Created: 11/09/2016 09:51
Updated: 09/09/2024 22:30
Changes: 11/09/2016 09:51 (86), 07/29/2019 11:34 (6), 09/29/2022 18:08 (4), 04/25/2024 05:56 (28), 07/09/2024 22:34 (5), 09/09/2024 22:30 (1)
Complete: 🔍
Cache ID: 216::103

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