Microsoft Edge Scripting Engine memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Edge. This affects an unknown part of the component Scripting Engine. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2016-3386. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Microsoft Edge (Web Browser) (version now known). This issue affects some unknown processing 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 10/11/2016 by Richard Zhu with Zero Day Initiative (ZDI) as MS16-119 as confirmed bulletin (Technet). It is possible to read the advisory at technet.microsoft.com. The identification of this vulnerability is CVE-2016-3386 since 03/15/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 93963 (MS16-119: Cumulative Security Update for Microsoft Edge (3192890)), 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 91283 (Microsoft Edge Cumulative Security Update (MS16-119)).

Applying the patch MS16-119 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 (40605), Tenable (93963) and SecurityFocus (BID 93426†). The entries VDB-92555, VDB-92556, VDB-92560 and VDB-92561 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93963
Nessus Name: MS16-119: Cumulative Security Update for Microsoft Edge (3192890)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 68832
OpenVAS Name: Microsoft Edge Multiple Vulnerabilities (3192890)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: MS16-119

Timelineinfo

03/15/2016 🔍
10/11/2016 +210 days 🔍
10/11/2016 +0 days 🔍
10/11/2016 +0 days 🔍
10/11/2016 +0 days 🔍
10/12/2016 +1 days 🔍
10/13/2016 +1 days 🔍
02/28/2025 +3060 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: MS16-119
Researcher: Richard Zhu
Organization: Zero Day Initiative (ZDI)
Status: Confirmed

CVE: CVE-2016-3386 (🔍)
GCVE (CVE): GCVE-0-2016-3386
GCVE (VulDB): GCVE-100-92567
SecurityFocus: 93426 - Microsoft Edge CVE-2016-3386 Scripting Engine Remote Memory Corruption Vulnerability
SecurityTracker: 1036993

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

Entryinfo

Created: 10/12/2016 10:30
Updated: 02/28/2025 11:51
Changes: 10/12/2016 10:30 (68), 05/07/2019 18:36 (13), 09/23/2022 08:43 (4), 02/28/2025 11:51 (23)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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