ID CVE-2014-5117 Type cve Reporter cve@mitre.org Modified 2017-01-07T03:00:00
Description
Tor before 0.2.4.23 and 0.2.5 before 0.2.5.6-alpha maintains a circuit after an inbound RELAY_EARLY cell is received by a client, which makes it easier for remote attackers to conduct traffic-confirmation attacks by using the pattern of RELAY and RELAY_EARLY cells as a means of communicating information about hidden service names.
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Applications connect to the local Tor proxy using the SOCKS protocol. The local proxy chooses a path through a set of relays, in which each relay knows its predecessor and successor, but no others. Traffic flowing down the circuit is unwrapped by a symmetric key at each relay, which reveals the downstream relay. Warnings: Tor does no protocol cleaning. That means there is a danger that application protocols and associated programs can be induced to reveal information about the initiator. Tor depends on Privoxy and similar protocol cleaners to solve this problem. This is alpha code, and is even more likely than released code to have anonymity-spoiling bugs. The present network is very small -- this further reduces the strength of the anonymity provided. Tor is not presently suitable for high-stakes anonymity. ", "modified": "2014-08-15T02:35:16", "published": "2014-08-15T02:35:16", "id": "FEDORA:F100122B0A", "href": "", "type": "fedora", "title": "[SECURITY] Fedora 19 Update: tor-0.2.4.23-1.fc19", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2020-12-21T08:17:52", "bulletinFamily": "unix", "cvelist": ["CVE-2014-5117"], "description": "Tor is a connection-based low-latency anonymous communication system. Applications connect to the local Tor proxy using the SOCKS protocol. The local proxy chooses a path through a set of relays, in which each relay knows its predecessor and successor, but no others. Traffic flowing down the circuit is unwrapped by a symmetric key at each relay, which reveals the downstream relay. Warnings: Tor does no protocol cleaning. That means there is a danger that application protocols and associated programs can be induced to reveal information about the initiator. Tor depends on Privoxy and similar protocol cleaners to solve this problem. This is alpha code, and is even more likely than released code to have anonymity-spoiling bugs. The present network is very small -- this further reduces the strength of the anonymity provided. Tor is not presently suitable for high-stakes anonymity. ", "modified": "2014-08-15T02:57:12", "published": "2014-08-15T02:57:12", "id": "FEDORA:9C61F236A9", "href": "", "type": "fedora", "title": "[SECURITY] Fedora 20 Update: tor-0.2.4.23-1.fc20", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2020-12-21T08:17:52", "bulletinFamily": "unix", "cvelist": ["CVE-2014-5117", "CVE-2015-2688", "CVE-2015-2689"], "description": "Tor is a connection-based low-latency anonymous communication system. Applications connect to the local Tor proxy using the SOCKS protocol. The local proxy chooses a path through a set of relays, in which each relay knows its predecessor and successor, but no others. Traffic flowing down the circuit is unwrapped by a symmetric key at each relay, which reveals the downstream relay. Warnings: Tor does no protocol cleaning. That means there is a danger that application protocols and associated programs can be induced to reveal information about the initiator. Tor depends on Privoxy and similar protocol cleaners to solve this problem. This is alpha code, and is even more likely than released code to have anonymity-spoiling bugs. The present network is very small -- this further reduces the strength of the anonymity provided. Tor is not presently suitable for high-stakes anonymity. ", "modified": "2015-04-05T14:35:37", "published": "2015-04-05T14:35:37", "id": "FEDORA:EC9776090BD4", "href": "", "type": "fedora", "title": "[SECURITY] Fedora 20 Update: tor-0.2.5.11-1.fc20", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2020-12-21T08:17:52", "bulletinFamily": "unix", "cvelist": ["CVE-2014-5117", "CVE-2015-2928", "CVE-2015-2929"], "description": "Tor is a connection-based low-latency anonymous communication system. Applications connect to the local Tor proxy using the SOCKS protocol. The local proxy chooses a path through a set of relays, in which each relay knows its predecessor and successor, but no others. Traffic flowing down the circuit is unwrapped by a symmetric key at each relay, which reveals the downstream relay. Warnings: Tor does no protocol cleaning. That means there is a danger that application protocols and associated programs can be induced to reveal information about the initiator. Tor depends on Privoxy and similar protocol cleaners to solve this problem. This is alpha code, and is even more likely than released code to have anonymity-spoiling bugs. The present network is very small -- this further reduces the strength of the anonymity provided. Tor is not presently suitable for high-stakes anonymity. ", "modified": "2015-04-18T09:48:54", "published": "2015-04-18T09:48:54", "id": "FEDORA:0D4D4601D348", "href": "", "type": "fedora", "title": "[SECURITY] Fedora 20 Update: tor-0.2.5.12-1.fc20", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "freebsd": [{"lastseen": "2019-05-29T18:33:26", "bulletinFamily": "unix", "cvelist": ["CVE-2014-5117"], "description": "\nThe Tor Project reports:\n\nTor before 0.2.4.23 and 0.2.5 before 0.2.5.6-alpha maintains a\n\t circuit after an inbound RELAY_EARLY cell is received by a client,\n\t which makes it easier for remote attackers to conduct\n\t traffic-confirmation attacks by using the pattern of RELAY and\n\t RELAY_EARLY cells as a means of communicating information about\n\t hidden service names.\n\n", "edition": 4, "modified": "2014-07-30T00:00:00", "published": "2014-07-30T00:00:00", "id": "31C09848-1829-11E4-BF04-60A44C524F57", "href": "https://vuxml.freebsd.org/freebsd/31c09848-1829-11e4-bf04-60a44c524f57.html", "title": "tor -- traffic confirmation attack", "type": "freebsd", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:P/I:P/A:N"}}], "kitploit": [{"lastseen": "2020-04-07T04:43:39", "bulletinFamily": "tools", "cvelist": ["CVE-2014-4943", "CVE-2014-5117", "CVE-2014-3534", "CVE-2014-4667"], "description": "[  ](<https://3.bp.blogspot.com/-26-hahuqtcI/VA5r3yFRrfI/AAAAAAAADFQ/vBwNBAKtGpA/s1600/Tails.png>)\n\n \n\n\nTails is a live operating system, that you can start on almost any computer from a DVD, USB stick, or SD card. It aims at preserving your ** privacy ** and ** anonymity ** , and helps you to: \n\n * ** use the Internet anonymously ** and ** circumvent censorship ** ; \n\nall connections to the Internet are forced to go through [ the Tor network ](<https://www.torproject.org/>) ; \n\n * ** leave no trace ** on the computer you are using unless you ask it explicitly; \n * ** use state-of-the-art cryptographic tools ** to encrypt your files, emails and instant messaging. \n\n \n** Changes **\n\nNotable user-visible changes include: \n\n * Security fixes \n\n * Upgrade the web browser to 24.8.0esr-0+tails1~bpo70+1 (Firefox 24.8.0esr + Iceweasel patches + Torbrowser patches). \n * Add an I2P boot parameter. Without adding \"i2p\" to the kernel command line, I2P will not be accessible for the Live user. I2P was also upgraded to 0.9.14.1-1~deb7u+1, and stricter firewall rules are applied to it, among other security enhancements. \n * Upgrade Tor to 0.2.4.23-2~d70.wheezy+1 (fixes CVE-2014-5117). \n * Upgrade Linux to 3.14.15-2 (fixes CVE-2014-3534, CVE-2014-4667 and CVE-2014-4943). \n * Prevent dhclient from sending the hostname over the network ( [ ticket #7688 ](<https://labs.riseup.net/code/issues/7688>) ). \n * Override the hostname provided by the DHCP server ( [ ticket #7769 ](<https://labs.riseup.net/code/issues/7769>) ). \n * Bugfixes \n\n * Don't ship OpenJDK 6: I2P prefers v7, and we don't need both ( [ ticket #7807 ](<https://labs.riseup.net/code/issues/7807>) ). \n * Prevent Tails Installer from updating the system partition properties on MBR partitions ( [ ticket #7716 ](<https://labs.riseup.net/code/issues/7716>) ). \n * Minor improvements \n\n * Upgrade to Torbutton 1.6.12.1. \n * Install gnome-user-guide ( [ ticket #7618 ](<https://labs.riseup.net/code/issues/7618>) ). \n * Install cups-pk-helper ( [ ticket #7636 ](<https://labs.riseup.net/code/issues/7636>) ). \n * Update the SquashFS sort file, which should speed up boot from DVD ( [ ticket #6372 ](<https://labs.riseup.net/code/issues/6372>) ). \n * Compress the SquashFS more aggressively ( [ ticket #7706 ](<https://labs.riseup.net/code/issues/7706>) ) which should make the Tails ISO image smaller. \n\nSee the [ online Changelog ](<https://git-tails.immerda.ch/tails/plain/debian/changelog>) for technical details. \n\n \n\n\n \n\n\n** [ Download Tails 1.1.1 ](<https://tails.boum.org/download/>) **\n", "edition": 22, "modified": "2014-09-09T02:58:40", "published": "2014-09-09T02:58:40", "id": "KITPLOIT:5167596251841349275", "href": "http://www.kitploit.com/2014/09/tails-111-amnesic-incognito-live-system.html", "title": "Tails 1.1.1 - The Amnesic Incognito Live System", "type": "kitploit", "cvss": {"score": 7.2, "vector": "AV:L/AC:L/Au:N/C:C/I:C/A:C"}}]}
