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-2017-8822

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-2017-8820

CVE-2017-8820 : In Tor up to upstream fixes, a remote attacker could crash a directory authority via a malformed router descriptor, causing a NULL pointer dereference and DoS. Affected releases include several 0.2.x, 0.3.0.x (pre-0.3.0.13) and 0.3.1.x pre-0.3.1.9. Upstream remediation is to upgra...

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-2017-8821

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, an attacker can cause a denial of service application hang via crafted PEM input that signifies a public key requiring a password, which triggers an attempt by the...

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-2017-8822

CVE-2017-8822 affects Tor relays with incompletely downloaded descriptors, enabling them to pick themselves in a circuit path and cause a degradation of anonymity. Descriptions across connected advisories confirm the issue and upstream fix is to upgrade to Tor 0.3.1.9 (or newer). Upstream notes a...

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-2017-8822

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

CVE-2017-8823 (Tor) : A use-after-free in onion service v2 during intro-point expiration is caused by mismanagement of the expiring list in certain error cases (Tor before 0.3.1.9). Descriptions from Arch Linux ASA-201712-10 indicate this can lead to crashes of v2 onion services when circuits exp...

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-2017-8820

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, remote attackers can cause a denial of service NULL pointer dereference and application crash against directory authorities via a malformed descriptor, aka...

CVE-2017-8820

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, remote attackers can cause a denial of service NULL pointer dereference and application crash against directory authorities via a malformed descriptor, aka...

CVE-2017-8821

CVE-2017-8821 in Tor allows an attacker to cause the application to ask for a password by sending crafted PEM input signaling a public key requiring a password, triggering OpenSSL to prompt. Affected releases include Tor up to 0.3.0.12 and 0.3.1 before 0.3.1.9 (also older 0.2.x series as listed i...

CVE-2017-8821

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, an attacker can cause a denial of service application hang via crafted PEM input that signifies a public key requiring a password, which triggers an attempt by the...

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...

DSA-4054-1 tor - security update

Bulletin has no description...

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: De-anonymization by visiting specially crafted bookmark.

There is a way to import logs in 'about:memory' from local disk, however, tested on windows you can pass a network url that may point to attack controlled server which logs IP's. This connection is done by windows presumably and so doesn't hide real IP of Tor user. 1. Have victim drag and drop an...