Microsoft Edge/ChakraCore Chakra Scripting Engine memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Microsoft Edge and ChakraCore. It has been declared as critical. This issue affects some unknown processing of the component Chakra Scripting Engine. The manipulation results in memory corruption. This vulnerability is known as CVE-2018-1019. It is possible to launch the attack remotely. No exploit is available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability classified as critical has been found in Microsoft Edge and ChakraCore (Web Browser) (version now known). Affected is some unknown processing of the component Chakra 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 04/10/2018. The weakness was published 04/10/2018 by Security Team as confirmed security update guide (Website). The advisory is available at portal.msrc.microsoft.com. This vulnerability is traded as CVE-2018-1019 since 12/01/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 02/09/2021). The advisory points out:

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles 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. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited the vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

The vulnerability scanner Nessus provides a plugin with the ID 108964 (KB4093112: Windows 10 Version 1709 and Windows Server Version 1709 April 2018 Security Update (Meltdown)(Spectre)), 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 91443 (Microsoft Edge Security Update for April 2018).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (108964) and SecurityFocus (BID 103633†). Similar entries are available at VDB-115991, VDB-115992, VDB-115996 and VDB-115998. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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: 🔍
VulDB Reliability: 🔍

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: 108964
Nessus Name: KB4093112: Windows 10 Version 1709 and Windows Server Version 1709 April 2018 Security Update (Meltdown)(Spectre)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53553
OpenVAS Name: Microsoft Windows Multiple Vulnerabilities (KB4093112)
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: 🔍

Timelineinfo

12/01/2017 🔍
04/10/2018 +130 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/10/2018 +0 days 🔍
04/11/2018 +0 days 🔍
04/11/2018 +0 days 🔍
02/09/2021 +1035 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: portal.msrc.microsoft.com
Researcher: Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1019 (🔍)
GCVE (CVE): GCVE-0-2018-1019
GCVE (VulDB): GCVE-100-116010

OVAL: 🔍

SecurityFocus: 103633 - Microsoft ChakraCore Scripting Engine CVE-2018-1019 Remote Memory Corruption Vulnerability
SecurityTracker: 1040650

See also: 🔍

Entryinfo

Created: 04/11/2018 14:17
Updated: 02/09/2021 12:16
Changes: 04/11/2018 14:17 (84), 01/23/2020 19:29 (6), 02/09/2021 12:16 (3)
Complete: 🔍
Cache ID: 216::103

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