CVE-2021-45884

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.
References
Link 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
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
Configurations

Configuration 1 (hide)

AND
cpe:2.3:a:brave:brave:*:*:*:*:*:*:*:*
OR cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:33

Type Values Removed Values Added
References () https://github.com/brave/brave-browser/issues/19070 - Exploit, Issue Tracking, Patch, Third Party Advisory () https://github.com/brave/brave-browser/issues/19070 - Exploit, Issue Tracking, Patch, Third Party Advisory
References () https://github.com/brave/brave-browser/issues/20079 - Issue Tracking, Release Notes, Third Party Advisory () https://github.com/brave/brave-browser/issues/20079 - Issue Tracking, Release Notes, Third Party Advisory
References () https://github.com/brave/brave-core/pull/10742 - Patch, Third Party Advisory () https://github.com/brave/brave-core/pull/10742 - Patch, Third Party Advisory
References () https://hackerone.com/reports/1377864 - Permissions Required () https://hackerone.com/reports/1377864 - Permissions Required

Information

Published : 2021-12-27 22:15

Updated : 2024-11-21 06:33


NVD link : CVE-2021-45884

Mitre link : CVE-2021-45884

CVE.ORG link : CVE-2021-45884


JSON object : View

Products Affected

apple

  • macos

linux

  • linux_kernel

brave

  • brave

microsoft

  • windows
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor