CVE-2021-45884

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/brave/brave-core/pull/10742
• https://github.com/brave/brave-browser/issues/19070
• https://github.com/brave/brave-browser/issues/20079
• https://hackerone.com/reports/1377864

References

• https://github.com/brave/brave-core/pull/10742
• https://github.com/brave/brave-browser/issues/19070
• https://github.com/brave/brave-browser/issues/20079
• https://hackerone.com/reports/1377864

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