Microsoft Edge on Win10 Scripting Engine memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.7$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Microsoft Edge on Win10. This issue affects some unknown processing of the component Scripting Engine. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2017-0235. Remote exploitation of the attack is possible. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in Microsoft Edge on Win10 (Web Browser) (version now known). It has been classified as critical. This affects some unknown processing of the component Scripting Engine. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 05/09/2017. The weakness was published 05/09/2017 with Microsoft as 4016871 as confirmed security update guide (Website). It is possible to read the advisory at portal.msrc.microsoft.com. This vulnerability is uniquely identified as CVE-2017-0235 since 09/09/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/22/2020). The advisory points out:

A remote code execution vulnerability exists in the way that the Chakra JavaScript engine renders when handling objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user.

The vulnerability scanner Nessus provides a plugin with the ID 100055 (KB4016871: Windows 10 Version 1703 May 2017 Cumulative Update), 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 91370 (Microsoft Edge Security Update for May 2017).

Applying the patch 4016871 is able to eliminate this problem. The bugfix is ready for download at catalog.update.microsoft.com. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100055) and SecurityFocus (BID 98230†). Similar entries are available at VDB-100988, VDB-100990, VDB-100991 and VDB-100993. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.0
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Microsoft): 4.2
Vendor Vector (Microsoft): 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100055
Nessus Name: KB4016871: Windows 10 Version 1703 May 2017 Cumulative Update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 800218
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4016871)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Patch: 4016871

Timelineinfo

09/09/2016 🔍
05/09/2017 +242 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/09/2017 +0 days 🔍
05/10/2017 +1 days 🔍
05/12/2017 +2 days 🔍
12/22/2020 +1320 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: 4016871
Researcher: Microsoft
Organization: Microsoft
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-0235 (🔍)
GCVE (CVE): GCVE-0-2017-0235
GCVE (VulDB): GCVE-100-100995

OVAL: 🔍

SecurityFocus: 98230 - Microsoft Edge CVE-2017-0235 Remote Memory Corruption Vulnerability
OSVDB: - CVE-2017-0235 - Microsoft - Edge - Code Execution Issue

See also: 🔍

Entryinfo

Created: 05/10/2017 11:56
Updated: 12/22/2020 16:12
Changes: 05/10/2017 11:56 (88), 09/25/2020 06:43 (7), 12/22/2020 16:07 (2), 12/22/2020 16:12 (1)
Complete: 🔍
Cache ID: 216::103

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