CVE-2014-5117
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…
Does this matter?
Lower severity and a low EPSS score (2.11%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 2.0
- 5.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:N
- EPSS
- 2.11% probability · 81th percentile
- CISA KEV
- Not listed
- Affected
- torproject/tor
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/60084
- http://secunia.com/advisories/60647
- https://blog.torproject.org/blog/tor-security-advisory-relay-early-traffic-confirmation-attack
- https://lists.torproject.org/pipermail/tor-announce/2014-July/000093.html
- https://lists.torproject.org/pipermail/tor-announce/2014-July/000094.htmlVendor Advisory
- https://lists.torproject.org/pipermail/tor-talk/2014-July/034180.html
- https://trac.torproject.org/projects/tor/ticket/1038
- http://secunia.com/advisories/60084
- http://secunia.com/advisories/60647
- https://blog.torproject.org/blog/tor-security-advisory-relay-early-traffic-confirmation-attack
- https://lists.torproject.org/pipermail/tor-announce/2014-July/000093.html
- https://lists.torproject.org/pipermail/tor-announce/2014-July/000094.htmlVendor Advisory
- https://lists.torproject.org/pipermail/tor-talk/2014-July/034180.html
- https://trac.torproject.org/projects/tor/ticket/1038
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.