Test Kennung:	1.3.6.1.4.1.25623.1.0.703203
Kategorie:	Debian Local Security Checks
Titel:	Debian Security Advisory DSA 3203-1 (tor - security update)
Zusammenfassung:	Several denial-of-service issues have;been discovered in Tor, a connection-based low-latency anonymous communication;system.;;Jowr discovered that very high DNS query load on a relay could;trigger an assertion error.;;A relay could crash with an assertion error if a buffer of exactly;the wrong layout was passed to buf_pullup() at exactly the wrong;time.
Beschreibung:	Summary: Several denial-of-service issues have been discovered in Tor, a connection-based low-latency anonymous communication system. Jowr discovered that very high DNS query load on a relay could trigger an assertion error. A relay could crash with an assertion error if a buffer of exactly the wrong layout was passed to buf_pullup() at exactly the wrong time. Affected Software/OS: tor on Debian Linux Solution: For the stable distribution (wheezy), these problems have been fixed in version 0.2.4.26-1. For the testing distribution (jessie) and unstable distribution (sid), these problems have been fixed in version 0.2.5.11-1. Furthermore, this update disables support for SSLv3 in Tor. All versions of OpenSSL in use with Tor today support TLS 1.0 or later. Additionally, this release updates the geoIP database used by Tor as well as the list of directory authority servers, which Tor clients use to bootstrap and who sign the Tor directory consensus document. We recommend that you upgrade your tor packages. CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Querverweis:	Common Vulnerability Exposure (CVE) ID: CVE-2015-2688 https://lists.torproject.org/pipermail/tor-talk/2015-March/037281.html https://trac.torproject.org/projects/tor/ticket/15083 Common Vulnerability Exposure (CVE) ID: CVE-2015-2689 https://trac.torproject.org/projects/tor/ticket/14129
Copyright	Copyright (c) 2015 Greenbone Networks GmbH http://greenbone.net

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