
CVE-2011-4894
https://notcve.org/view.php?id=CVE-2011-4894
23 Dec 2011 — Tor before 0.2.2.34, when configured as a bridge, uses direct DirPort access instead of a Tor TLS connection for a directory fetch, which makes it easier for remote attackers to enumerate bridges by observing DirPort connections. Las versiones de Tor anteriores a v0.2.2.34, cuando son configuradas en modo puente, utilizan el acceso directo a DirPort en vez de una conexión TLS a Tor para un directorio localizado, lo cual puede provocar que un atacante remoto pueda obtener una lista de los puentes por medio d... • https://blog.torproject.org/blog/tor-02234-released-security-patches • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2011-2778 – Gentoo Linux Security Advisory 201201-12
https://notcve.org/view.php?id=CVE-2011-2778
16 Dec 2011 — 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... • http://www.debian.org/security/2011/dsa-2363 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2011-2768 – Mandriva Linux Security Advisory 2013-132
https://notcve.org/view.php?id=CVE-2011-2768
28 Oct 2011 — 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 ... • http://www.debian.org/security/2011/dsa-2331 • CWE-264: Permissions, Privileges, and Access Controls •

CVE-2011-2769 – Mandriva Linux Security Advisory 2013-132
https://notcve.org/view.php?id=CVE-2011-2769
28 Oct 2011 — 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. Tor before 0.2.2.34, when configured as a client or b... • http://www.debian.org/security/2011/dsa-2331 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVE-2011-1924 – Gentoo Linux Security Advisory 201110-13
https://notcve.org/view.php?id=CVE-2011-1924
14 Jun 2011 — Buffer overflow in the policy_summarize function in or/policies.c in Tor before 0.2.1.30 allows remote attackers to cause a denial of service (directory authority crash) via a crafted policy that triggers creation of a long port list. Desbordamiento de búfer en la función policy_summarize en or/policies.c en Tor antes de v0.2.1.30 permite a atacantes remotos causar una denegación de servicio (caída de la autoridad de directorio) a través de una política manipulada que provoca la creación de una lista de pue... • http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061258.html • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •

CVE-2011-0490 – Gentoo Linux Security Advisory 201110-13
https://notcve.org/view.php?id=CVE-2011-0490
19 Jan 2011 — 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 d... • http://archives.seul.org/or/announce/Jan-2011/msg00000.html •

CVE-2011-0492 – Gentoo Linux Security Advisory 201110-13
https://notcve.org/view.php?id=CVE-2011-0492
19 Jan 2011 — Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha allows remote attackers to cause a denial of service (assertion failure and daemon exit) via blobs that trigger a certain file size, as demonstrated by the cached-descriptors.new file. Tor anterior a v0.2.1.29 y v0.2.2x anterior a 0.2.2.21-alpha permite a atacantes remotos provocar una denegación de servicio (error de aserción y salida demonio) a través de gotas que disparan un tamaño de archivo determinado, como lo demuestra con cached-descriptors.new f... • http://archives.seul.org/or/announce/Jan-2011/msg00000.html • CWE-399: Resource Management Errors •

CVE-2011-0016 – Gentoo Linux Security Advisory 201110-13
https://notcve.org/view.php?id=CVE-2011-0016
19 Jan 2011 — Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly manage key data in memory, which might allow local users to obtain sensitive information by leveraging the ability to read memory that was previously used by a different process. Tor en versiones anteriores a la 0.2.1.29 y 0.2.2.x anteriores a la 0.2.2.21-alpha no gestiona apropiadamente datos de clave en memoria, lo que puede permitir a usuarios locales obtener información confidencial a través de la lectura de memoria que ha sido util... • http://archives.seul.org/or/announce/Jan-2011/msg00000.html • CWE-399: Resource Management Errors •

CVE-2011-0015 – Gentoo Linux Security Advisory 201110-13
https://notcve.org/view.php?id=CVE-2011-0015
19 Jan 2011 — Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha does not properly check the amount of compression in zlib-compressed data, which allows remote attackers to cause a denial of service via a large compression factor. Tor antes de v0.2.1.29 y v0.2.2.x antes de v0.2.2.21-alfa no comprueba correctamente el nivel de compresión de datos de zlib, lo que permite a atacantes remotos provocar una denegación de servicio a través de un factor de compresión de gran tamaño. Multiple vulnerabilities were found in Tor,... • http://archives.seul.org/or/announce/Jan-2011/msg00000.html • CWE-20: Improper Input Validation •

CVE-2011-0491 – Gentoo Linux Security Advisory 201110-13
https://notcve.org/view.php?id=CVE-2011-0491
19 Jan 2011 — 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 provoca... • http://archives.seul.org/or/announce/Jan-2011/msg00000.html • CWE-20: Improper Input Validation •