--- title: "CVE-2014-5117\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2014-5117?format=md keywords: index, follow --- # CVE-2014-5117 Publication date 30 July 2014 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## 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. ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | tor | 17.04 zesty | Not affected | | 16.10 yakkety | Not affected | | 16.04 LTS xenial | Not affected | | 15.10 wily | Not affected | | 15.04 vivid | Fixed 0.2.5.12-1build0.15.04.1 | | 14.10 utopic | Ignored end of life | | 14.04 LTS trusty | Fixed 0.2.4.27-1build0.14.04.1 | | 12.04 LTS precise | Ignored end of life | | 10.04 LTS lucid | Not in release | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-5117) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-5117) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-5117) * [Debian](https://security-tracker.debian.org/tracker/CVE-2014-5117) ### Other references * * * * * *