The vulnerability of the debian/tor.init script of the Tor information exchange software allows a hacker to circumvent restrictions.

The vulnerability of the debian/tor.init script in the Debian software for anonymous information exchange, Tor, is related to access control deficiencies. This script was designed to execute aa-exec from the standard system path, provided the AppArmor package is installed. Exploiting this...

Tor: languagechange event fires simultaneously on all tabs

The languagechange event, which fires when the user modifies the browser's language settings fires simultaneously on all tabs. This would allow an adversary to link multiple visits to a single user: the adversary e.g. a malicious ad provider has a script that listens for this event, and when fire...

Microsoft CNG/CryptoAPI Tor Protocol Implementation PoC

mini-tor is a proof-of-concept utility for accessing internet content and hidden service content .onion via tor routers. this utility is aiming for as smallest size as possible currently 47kb, compressed with kkrunchy 20kb, which is achieved by using Microsoft CryptoAPI/CNG instead of embedding...

DEFCON 25

After a few days in Las Vegas and after BlackHat, DEFCON 25 is finally over! It was an amazing time around awesome people. I didn't attend all the talks, but most of the ones I saw were interesting: There's no place like 127.0.0.1 - Achieving reliable DNS rebinding in modern browsers, by Luke...

Tor Developer Busts Myths, Announces New Features

The Tor Project gets a bad rap as being a playground for the guilty. That’s why Tor Project co-founder Roger Dingledine took the stage last week at DEF CON to bust popular myths and announce upcoming features related to the anonymity network that averages 2 million users a day. Dingledine’s bigge...

Tor: Simple CSS line-height identifies platform

There are lots of ways to identify the Tor Browser. User-Agent string, limited time resolution, no media, etc. Assume you know it is the Tor Browser. Can you tell what platform? NOTE: This assumption is well within the scope of the Tor Browser. The Tor Browser does not hide the fact that it is th...

Tor: Linux TBB SFTP URI allows local IP disclosure

Browsing to a simple URL to an sftp URI allows bypasses socks proxy for DNS and browsing. Tested on a clean install of Ubuntu 16.04 with TBB 7.0.2 4097d43aa0be86ae3fe43ec8f3ac5394 download from https://www.torproject.org/dist/torbrowser/7.0.2/tor-browser-linux64-7.0.2en-US.tar.xz POC: Navigate to...

Design/Logic Flaw

debian/tor.init in the Debian tor0.2.9.11-1deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this incorrectly with a wrong assumption that the specific pathname would remain the same forever, which allows...

CVE-2017-11565

debian/tor.init in the Debian tor0.2.9.11-1deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this incorrectly with a wrong assumption that the specific pathname would remain the same forever, which allows...

UBUNTU-CVE-2017-11565

debian/tor.init in the Debian tor0.2.9.11-1deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this incorrectly with a wrong assumption that the specific pathname would remain the same forever, which allows...

CVE-2017-11565

debian/tor.init in the Debian tor0.2.9.11-1deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this incorrectly with a wrong assumption that the specific pathname would remain the same forever, which allows...

DEBIAN-CVE-2017-11565

debian/tor.init in the Debian tor0.2.9.11-1deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this incorrectly with a wrong assumption that the specific pathname would remain the same forever, which allows...

CVE-2017-11565

debian/tor.init in the Debian tor0.2.9.11-1deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this incorrectly with a wrong assumption that the specific pathname would remain the same forever, which allows...

CVE-2017-11565

debian/tor.init in the Debian tor0.2.9.11-1deb9u1 package for Tor was designed to execute aa-exec from the standard system pathname if the apparmor package is installed, but implements this incorrectly with a wrong assumption that the specific pathname would remain the same forever, which allows...

CVE-2017-11565

The CVE concerns the Debian Tor package (tor.init in tor_0.2.9.11-1~deb9u1) where the init script attempts to run aa-exec via the system pathname when AppArmor is installed, but makes an incorrect assumption that the pathname is invariant, allowing bypass of AppArmor protections. Affected compone...

Tor: [Android org.torproject.android] Possible to force list of bridges

Do the following thing from ADB to emulate the activity start: adb am start -n org.torproject.android/.OrbotMainActivity -a android.intent.action.VIEW -d bridge://xxx Or create a malware app with the following code: java Intent intent = new Intent"android.intent.action.VIEW";...

Tor: Scrollbar Width permits detecting browser platform

In April 2017 shortly before this bug bounty program went live, I repeatedly attempted to report this information disclosure vulnerability. However, my emails to the Tor Project's official vulnerability disclosure address went unanswered. It was not until I posted a public blog entry -- with a...

July 21, 2017 – Morning Cyber Coffee Headlines – “Harry Potter” Edition

Good morning! Sit with Carbon Black this morning over a cup of coffee or tea and browse a few industry headlines to get the day started. We’ve got just enough information below to get you through that first cup…enjoy! July 21, 2017 - Headlines U.S. Justice Department Shuts Down Dark Web Bazaar...

Dark Web Users Suspect "Dream Market" Has Also Been Backdoored by Feds

By now you might be aware of the took down of two of the largest online dark websites—AlphaBay and Hansa—in what's being called the largest-ever international operation against the dark web's black market conducted by the FBI, DEA Drug Enforcement Agency and Dutch National Police. But the...

Tor Project Opens Bounty Program To All Researchers

The Tor Project announced today the launch of a public bug bounty program to encourage security researchers to privately report issues they find in the group’s software. Unlike its previous invite-only bounty program launched last year, this bounty program will be open to all bounty hunters throu...