CVE-2014-5117
tor - security update
EPSS 0.60%
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.
How to fix CVE-2014-5117
To remediate CVE-2014-5117, upgrade the affected package to a fixed version below.
- Debian/tor—upgrade to 0.2.4.23-1 or later
- Debian/tor—upgrade to 0.2.4.23-1~deb7u1 or later
Is CVE-2014-5117 being exploited?
Low — EPSS is 0.6%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 0.2.4.23-1
- from 0, < 0.2.4.23-1~deb7u1