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CVE-2021-45884

HIGH

7.5

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/27/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

apple:macosbrave:bravelinux:linux_kernelmicrosoft:windows

Weaknesses (CWE)

CWE-200

References

https://github.com/brave/brave-browser/issues/19070(cve@mitre.org)

https://github.com/brave/brave-browser/issues/20079(cve@mitre.org)

https://github.com/brave/brave-core/pull/10742(cve@mitre.org)

https://hackerone.com/reports/1377864(cve@mitre.org)

https://github.com/brave/brave-browser/issues/19070(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/brave/brave-browser/issues/20079(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/brave/brave-core/pull/10742(af854a3a-2127-422b-91ae-364da2661108)

https://hackerone.com/reports/1377864(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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