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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.10% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 81.4% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-07-30 16:00Z12 YR AGO
- Last updated
- 2024-08-06 11:34Z2 YR AGO
- Reserved
- 2014-07-30
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- d509cfa2ae1568230bcd068e451b8e812bc8d417204bb2add0823aa8732dfdc5
05 Affected products
06 References
- secunia.com60084http://secunia.com/advisories/60084
- trac.torproject.orghttps://trac.torproject.org/projects/tor/ticket/1038
- secunia.com60647http://secunia.com/advisories/60647
- blog.torproject.orghttps://blog.torproject.org/blog/tor-security-advisory-relay-early-traffic-confirmation-attack
- lists.torproject.org[tor-talk] 20140730 Tor 0.2.5.6-alpha is outhttps://lists.torproject.org/pipermail/tor-talk/2014-July/034180.html
- lists.torproject.org[tor-announce] 20140730 Tor security advisory: "relay early" traffic confirmation attackhttps://lists.torproject.org/pipermail/tor-announce/2014-July/000094.html
- lists.torproject.org[tor-announce] 20140730 Tor 0.2.4.23 is releasedhttps://lists.torproject.org/pipermail/tor-announce/2014-July/000093.html
07 Fixed in
Debian 12
- tor Fixed in 0.2.4.23-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- tor Fixed in 0.2.4.23-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- tor Fixed in 0.2.4.23-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 14.04 LTS
- tor Fixed in 0.2.4.27-1build0.14.04.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.