Vulnerability Details : CVE-2022-30334
Brave before 1.34, when a Private Window with Tor Connectivity is used, leaks .onion URLs in Referer and Origin headers. NOTE: although this was fixed by Brave, the Brave documentation still advises "Note that Private Windows with Tor Connectivity in Brave are just regular private windows that use Tor as a proxy. Brave does NOT implement most of the privacy protections from Tor Browser."
Products affected by CVE-2022-30334
- cpe:2.3:a:brave:brave:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-30334
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-30334
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2022-30334
-
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2022-30334
-
https://github.com/brave/brave-core/pull/10760
Strip referrer and origin headers in xorigin requests from a .onion by fmarier · Pull Request #10760 · brave/brave-core · GitHubExploit;Patch;Third Party Advisory
-
https://hackerone.com/reports/1337624
#1337624 Information disclosure-Referer leakExploit;Third Party Advisory
-
https://github.com/brave/brave-browser/issues/18071
[hackerone] Strip referrer and origin in cross-origin requests from a `.onion` origin · Issue #18071 · brave/brave-browser · GitHubIssue Tracking;Third Party Advisory
-
https://support.brave.com/hc/en-us/articles/360018121491-What-is-a-Private-Window-with-Tor-Connectivity-
Security checkVendor Advisory
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