Design/Logic Flaw

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

DEBIAN-CVE-2017-8823

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

CVE-2017-8823

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

UBUNTU-CVE-2017-8819

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue...

CVE-2017-8819

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue...

UBUNTU-CVE-2017-8823

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

DEBIAN-CVE-2017-8819

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue...

DEBIAN-CVE-2017-8822

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, relays that have incompletely downloaded descriptors can pick themselves in a circuit path, leading to a degradation of anonymity, aka TROVE-2017-012...

CVE-2017-8823

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

CVE-2017-8823

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

CVE-2017-8819

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue...

CVE-2017-8819

CVE-2017-8819 affects Tor prior to 0.3.1.9 (and earlier branches up to 0.2.5.16, 0.2.6–0.2.8/0.2.9, 0.3.0/0.3.1) where the replay-cache protection for v2 onion services is ineffective. An attacker can inject multiple INTRODUCE2 cells to trigger a traffic-confirmation style issue, leading to poten...

CVE-2017-8823

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

CVE-2017-8823

In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, there is a use-after-free in onion service v2 during intro-point expiration because the expiring list is mismanaged in certain error cases, aka TROVE-2017-013...

OPENSUSE-SU-2017:3201-1 Security update for tor

This update for tor fixes vulnerabilities that allowed some traffic confirmation, DoS and other attacks bsc1070849: - CVE-2017-8819: Replay-cache ineffective for v2 onion services - CVE-2017-8820: Remote DoS attack against directory authorities - CVE-2017-8821: An attacker can make Tor ask for a...

OPENSUSE-SU-2017:3203-1 Security update for tor

This update for tor fixes vulnerabilities that allowed some traffic confirmation, DoS and other attacks bsc1070849: - CVE-2017-8819: Replay-cache ineffective for v2 onion services - CVE-2017-8820: Remote DoS attack against directory authorities - CVE-2017-8821: An attacker can make Tor ask for a...

tor -- Use-after-free in onion service v2

The Torproject.org reports: TROVE-2017-009: Replay-cache ineffective for v2 onion services TROVE-2017-010: Remote DoS attack against directory authorities TROVE-2017-011: An attacker can make Tor ask for a password TROVE-2017-012: Relays can pick themselves in a circuit path TROVE-2017-013:...

OnionShare - Securely and anonymously share a file of any size

OnionShare lets you securely and anonymously share files of any size. It works by starting a web server, making it accessible as a Tor onion service, and generating an unguessable URL to access and download the files. It doesn't require setting up a server on the internet somewhere or using a thi...

The Tor Project to Beef Up Privacy with Next-Generation of Onion Services

The Tor Project has made some significant changes to its infrastructure by improving the way the 'onion' network protects its users' privacy and security. Since the beginning, the largest free online anonymity network has been helping users browse the web anonymously, and its onion service provid...

Bad Rabbit: New Ransomware Attack Rapidly Spreading Across Europe

A new widespread ransomware attack is spreading like wildfire around Europe and has already affected over 200 major organisations, primarily in Russia, Ukraine, Turkey and Germany, in the past few hours. Dubbed "Bad Rabbit," is reportedly a new Petya-like targeted ransomware attack against...