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CVE-2021-45884 Detail

Description

In Brave Desktop 1.17 through 1.33 before 1.33.106, when CNAME-based adblocking and a proxying extension with a SOCKS fallback are enabled, additional DNS requests are issued outside of the proxying extension using the system's DNS settings, resulting in information disclosure. NOTE: this issue exists because of an incomplete fix for CVE-2021-21323 and CVE-2021-22916.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/brave/brave-browser/issues/19070 Exploit  Issue Tracking  Patch  Third Party Advisory 
https://github.com/brave/brave-browser/issues/20079 Issue Tracking  Release Notes  Third Party Advisory 
https://github.com/brave/brave-core/pull/10742 Patch  Third Party Advisory 
https://hackerone.com/reports/1377864 Permissions Required 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-45884
NVD Published Date:
12/27/2021
NVD Last Modified:
01/07/2022
Source:
MITRE