Eclipse Theia up to 1.17.x plugin-ext postMessage verification of source

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Eclipse Theia up to 1.17.x and classified as problematic. The impacted element is the function postMessage of the component plugin-ext. Such manipulation leads to an unknown weakness. This vulnerability is uniquely identified as CVE-2021-41038. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Eclipse Theia up to 1.17.x and classified as problematic. Affected by this issue is the function postMessage of the component plugin-ext. Using CWE to declare the problem leads to CWE-940. The product establishes a communication channel to handle an incoming request that has been initiated by an actor, but it does not properly verify that the request is coming from the expected origin. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 11/10/2021. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2021-41038 since 09/13/2021. There are known technical details, but no exploit is available.

Upgrading to version 1.18.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Verification of source
CWE: CWE-940
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: Theia 1.18.0
Patch: github.com

Timelineinfo

09/13/2021 🔍
11/10/2021 +58 days 🔍
11/10/2021 +0 days 🔍
11/12/2021 +2 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-41038 (🔍)
GCVE (CVE): GCVE-0-2021-41038
GCVE (VulDB): GCVE-100-186512

Entryinfo

Created: 11/10/2021 20:47
Updated: 11/12/2021 15:45
Changes: 11/10/2021 20:47 (40), 11/12/2021 15:39 (1), 11/12/2021 15:45 (1)
Complete: 🔍
Cache ID: 216::103

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