![]() ![]() Jul 01 08:40:51.000 Warning! You've just connected to a v2 onion address. Please encourage the site operator to upgrade. These addresses are deprecated for security reasons, and are no longer supported in Tor. Jul 01 08:40:50.000 Warning! You've just connected to a v2 onion address. ![]() This is actually upstream at the TOR project, however they have considered this “not a bug”. Inspect ~/.config/BraveSoftware/Brave-Browser/tor/data/tor.logĪLL v2 domains are logged at full connection time. Visit while using Tor Private Browsing on the Brave Browser.Ĭlick on an assortment of. A local or physical attacker could read ~/.config/BraveSoftware/Brave-Browser/tor/data/tor.log identify the exact moment a user connected to a new site, easily triangulating the user via a complete log of connection timestamps, which could be easily compared with a server connection log, a compromised Tor end point, or other related Tor attack, affecting the confidentiality & integrity of a user’s Tor session. It does not store any personal data.CVE-2021-22929 Brave Browser 1.27 and below permanently logs the server connection time for all v2 tor domains to ~/.config/BraveSoftware/Brave-Browser/tor/data/tor.log CVE IDĬVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N Internal IDĪ vulnerability in the Brave Browser v1.27 and below allows a local or physical attacker to view the exact timestamps that a user connected to a v2 onion address. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Privacy is not an option, and it shouldn’t be the price we accept for just getting on the Internet. For safer browsing experience, Brave users should update to the most recent version 1.20.108. The privacy issue has been fixed by the Brave browser soon after the public disclosure of the bug. Essentially, this security feature aims to prevent third-party scripts that use CNAME DNS records to hide their real origin. CNAME masquerading blocking is a security mechanism that is also supported by Firefox browser. In Tor mode, no information that could breach the privacy of the users should be send to any non-Tor device.įurther research on the bug revealed that the issue is caused by the CNAME masquerading blocking feature of the Brave. onion queries to public DNS resolvers instead of sending them to the Tor proxy. Recently, an anonymous researcher has discovered a privacy related vulnerability on the Brave that leaks. Since 2018, Brave also supports a built-in Tor browser mode to allow its users to surf the Internet anonymously. As privacy being one of its most significant feature, Brave has a built-in ad blocker and strict rules on how data get processed. 2 The Privacy Bug on Brave What is Brave Browser?īrave Browser Privacy Bug Leaks Tor URLs: Brave is a Chromium-based web browser that aims to offer a faster and safer experience to its users. ![]()
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