CVSS: 7.6EPSS: 1%CPEs: 230EXPL: 0CVE-2011-2778
https://notcve.org/view.php?id=CVE-2011-2778
Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code by (1) establishing a SOCKS connection to SocksPort or (2) leveraging a SOCKS proxy configuration. Múltiples desbordamientos de buffer de memoria dinámica en versiones anteriores a v0.2.2.35 de Tor que permite a atacantes remotos causar una denegación de servicio (corrupción de memoria) o una posible ejecución de código de su elección mediante (1) el establecimiento de una conexión STOKS a un puerto SocksPort o (2) aprovechando una configuración de proxy STOKS. • http://www.debian.org/security/2011/dsa-2363 https://blog.torproject.org/blog/tor-02235-released-security-patches • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVSS: 5.8EPSS: 0%CPEs: 229EXPL: 0CVE-2011-2768
https://notcve.org/view.php?id=CVE-2011-2768
Tor before 0.2.2.34, when configured as a client or bridge, sends a TLS certificate chain as part of an outgoing OR connection, which allows remote relays to bypass intended anonymity properties by reading this chain and then determining the set of entry guards that the client or bridge had selected. Tor, antes de v0.2.2.34, cuando se configura como cliente o bridge, envía una cadena de certificado TLS como parte de una conexión saliente OR, lo que permite a relays remotos evitar la anonimidad intencionada cuando se determina un conjunto de guardas de entrada seleccionadas por el cliente o bridge. • http://www.debian.org/security/2011/dsa-2331 https://blog.torproject.org/blog/tor-02234-released-security-patches • CWE-264: Permissions, Privileges, and Access Controls •
CVSS: 4.3EPSS: 0%CPEs: 229EXPL: 0CVE-2011-2769
https://notcve.org/view.php?id=CVE-2011-2769
Tor before 0.2.2.34, when configured as a bridge, accepts the CREATE and CREATE_FAST values in the Command field of a cell within an OR connection that it initiated, which allows remote relays to enumerate bridges by using these values. Tor antes de v0.2.2.34, cuando se configura como bridge, acepta los valores CREATE y CREATE_FAST en el campo Command de una conexión OR que inicializa, lo que permite a relays remotos enumerar bridges usando esos valores. • http://www.debian.org/security/2011/dsa-2331 https://blog.torproject.org/blog/tor-02234-released-security-patches • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 5.0EPSS: 2%CPEs: 207EXPL: 0CVE-2011-0490
https://notcve.org/view.php?id=CVE-2011-0490
Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha makes calls to Libevent within Libevent log handlers, which might allow remote attackers to cause a denial of service (daemon crash) via vectors that trigger certain log messages. Tor antes de v0.2.1.29 y v0.2.2.x antes de v0.2.2.21-alfa realiza llamadas a libevent dentro de manejadores de log de libevent, que podría permitir a atacantes remotos provocar una denegación de servicio (por caída del demonio) a través de vectores que lanzan ciertos mensajes de log. • http://archives.seul.org/or/announce/Jan-2011/msg00000.html http://blog.torproject.org/blog/tor-02129-released-security-patches http://www.securityfocus.com/bid/45953 https://exchange.xforce.ibmcloud.com/vulnerabilities/64889 https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog https://trac.torproject.org/projects/tor/ticket/2190 •
CVSS: 5.0EPSS: 2%CPEs: 207EXPL: 0CVE-2011-0491
https://notcve.org/view.php?id=CVE-2011-0491
The tor_realloc function in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not validate a certain size value during memory allocation, which might allow remote attackers to cause a denial of service (daemon crash) via unspecified vectors, related to "underflow errors." La función tor_realloc de Tor en versiones anteriores a la 0.2.1.29 y 0.2.2.x anteriores a la 0.2.2.21-alpha no valida el tamaño de determinado valor durante la reserva de memoria, lo que puede permitir a atacantes remotos provocar una denegación de servicio (caída del demonio) a través de vectores sin especificar. Relacioando con errores de "underflow". • http://archives.seul.org/or/announce/Jan-2011/msg00000.html http://blog.torproject.org/blog/tor-02129-released-security-patches http://www.securityfocus.com/bid/45953 https://exchange.xforce.ibmcloud.com/vulnerabilities/64888 https://gitweb.torproject.org/tor.git/blob/refs/heads/release-0.2.2:/ChangeLog https://trac.torproject.org/projects/tor/ticket/2324 • CWE-20: Improper Input Validation •