CVE-2021-45884

EUVD-2021-32600
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 58%
Affected Products (NVD)
VendorProductVersion
bravebrave
1.17.1 ≤
𝑥
≤ 1.33.106
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/brave/brave-browser/issues/19070
https://github.com/brave/brave-browser/issues/20079
https://github.com/brave/brave-core/pull/10742
https://hackerone.com/reports/1377864
https://github.com/brave/brave-browser/issues/19070
https://github.com/brave/brave-browser/issues/20079
https://github.com/brave/brave-core/pull/10742
https://hackerone.com/reports/1377864