Electron up to 7.2.3/8.2.3/9.0.0-beta20 Isolation trust boundary violation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Electron up to 7.2.3/8.2.3/9.0.0-beta20. It has been rated as critical. This issue affects some unknown processing of the component Isolation Handler. Performing a manipulation results in trust boundary violation. This vulnerability is cataloged as CVE-2020-4077. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Electron up to 7.2.3/8.2.3/9.0.0-beta20. This affects an unknown function of the component Isolation Handler. The manipulation with an unknown input leads to a trust boundary violation vulnerability. CWE is classifying the issue as CWE-501. The product mixes trusted and untrusted data in the same data structure or structured message. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In Electron before versions 7.2.4, 8.2.4, and 9.0.0-beta21, there is a context isolation bypass. Code running in the main world context in the renderer can reach into the isolated Electron context and perform privileged actions. Apps using both `contextIsolation` and `contextBridge` are affected. This is fixed in versions 9.0.0-beta.21, 8.2.4 and 7.2.4.

The weakness was shared 07/07/2020 (GitHub Repository). The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2020-4077 since 12/30/2019. It is possible to initiate the attack remotely. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.2.4, 8.2.4 or 9.0.0-beta21 eliminates this vulnerability.

The entries VDB-157688 and VDB-157687 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.4
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.7
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Trust boundary violation
CWE: CWE-501
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Electron 7.2.4/8.2.4/9.0.0-beta21

Timelineinfo

12/30/2019 🔍
07/07/2020 +190 days 🔍
07/07/2020 +0 days 🔍
10/28/2020 +113 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-4077 (🔍)
GCVE (CVE): GCVE-0-2020-4077
GCVE (VulDB): GCVE-100-157689
See also: 🔍

Entryinfo

Created: 07/07/2020 09:51
Updated: 10/28/2020 22:15
Changes: 07/07/2020 09:51 (39), 07/07/2020 09:56 (11), 10/28/2020 22:06 (1), 10/28/2020 22:15 (1)
Complete: 🔍
Cache ID: 216::103

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

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