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...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2014-5117- CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2014-5117- Updated
- 2026-11-02
EUVDEUVD-2014-5015 No score
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.
- Record
EUVD-2014-5015- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v73p-8445-35p5 No score
Tor before 0.2.4.23 and 0.2.5 before 0.2.5.6-alpha maintains a circuit after an inbound...
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.
- Record
GHSA-v73p-8445-35p5- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2014-5117- Updated
- 2026-11-02
OSVDEBIAN-CVE-2014-5117 No score
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.
- Record
DEBIAN-CVE-2014-5117- Updated
- 2026-11-02
OSVMGASA-2014-0312 No score
Updated tor package fixes security vulnerability
Tor before 0.2.4.23 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 (CVE-2014-5117).
- Record
MGASA-2014-0312- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10423-1 No score
tor-0.2.8.11-1.1 on GA media
These are all security issues fixed in the tor-0.2.8.11-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10423-1- Updated
- 2026-11-02
OSVUBUNTU-CVE-2014-5117 No score
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.
- Record
UBUNTU-CVE-2014-5117- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
torDebian:12 |
before 0.2.4.23-1 | 0.2.4.23-1 |
torDebian:13 |
before 0.2.4.23-1 | 0.2.4.23-1 |
torDebian:14 |
before 0.2.4.23-1 | 0.2.4.23-1 |
torDebian:6.0 From an advisory covering 5 CVEs |
before 0.2.4.23-1~deb6u1, plus listed versions 0.2.1.29-10.2.1.30-10.2.1.31-10.2.1.31-1~lenny+10.2.1.32-1 Show 45 moreShow less0.2.2.1-alpha-10.2.2.10-alpha-10.2.2.10-alpha-20.2.2.11-alpha-10.2.2.12-alpha-10.2.2.13-alpha-10.2.2.14-alpha-10.2.2.15-alpha-10.2.2.16-alpha-10.2.2.17-alpha-10.2.2.18-alpha-10.2.2.18-alpha-20.2.2.19-alpha-10.2.2.2-alpha-10.2.2.20-alpha-10.2.2.21-alpha-10.2.2.22-alpha-10.2.2.23-alpha-10.2.2.27-beta-10.2.2.28-beta-10.2.2.29-beta-10.2.2.3-alpha-10.2.2.30-rc-10.2.2.31-rc-10.2.2.32-10.2.2.32-1~bpo60+10.2.2.33-10.2.2.33-1~bpo60+10.2.2.34-10.2.2.34-1~bpo60+10.2.2.35-10.2.2.35-1~squeeze+10.2.2.36-10.2.2.37-10.2.2.37-1~bpo60+10.2.2.37-1~squeeze+10.2.2.38-10.2.2.39-10.2.2.4-alpha-10.2.2.5-alpha-10.2.2.6-alpha-10.2.2.7-alpha-10.2.2.7-alpha-20.2.2.8-alpha-10.2.2.9-alpha-1 |
0.2.4.23-1~deb6u1 |
torDebian:7 |
before 0.2.4.23-1~deb7u1, plus listed versions 0.2.3.25-10.2.4.1-alpha-10.2.4.10-alpha-10.2.4.11-alpha-10.2.4.12-alpha-1 Show 21 moreShow less0.2.4.12-alpha-20.2.4.13-alpha-10.2.4.14-alpha-10.2.4.15-rc-10.2.4.16-rc-10.2.4.17-rc-10.2.4.18-rc-10.2.4.19-10.2.4.2-alpha-10.2.4.20-10.2.4.21-10.2.4.22-10.2.4.22-1~bpo70+10.2.4.22-1~deb7u10.2.4.23-1~deb6u10.2.4.3-alpha-10.2.4.4-alpha-10.2.4.5-alpha-10.2.4.6-alpha-10.2.4.7-alpha-10.2.4.9-alpha-1 |
0.2.4.23-1~deb7u1 |
torMageia:3 |
before 0.2.4.23-1.mga3 | 0.2.4.23-1.mga3 |
torMageia:4 |
before 0.2.4.23-1.mga4 | 0.2.4.23-1.mga4 |
torUbuntu:14.04:LTS |
before 0.2.4.27-1build0.14.04.1, plus listed versions 0.2.3.25-10.2.4.19-10.2.4.20-1 |
0.2.4.27-1build0.14.04.1 |
toropenSUSE:Tumbleweed From an advisory covering 22 CVEs |
before 0.2.8.11-1.1 | 0.2.8.11-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-5117 is a medium vulnerability (CVSS 5.8) in Torproject Tor, published July 30, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.10%, the 81st percentile. Fixed in tor 0.2.4.23-1.
References
secunia.com/advisories/60084
trac.torproject.org/projects/tor/ticket/1038
blog.torproject.org/blog/tor-security-advisory-relay-early-traffic-confirmation-attack
lists.torproject.org/pipermail/tor-talk/2014-July/034180.html
Show 31 moreShow less
nvd.nist.gov/vuln/detail/CVE-2014-5117
github.com/advisories/GHSA-v73p-8445-35p5
security-tracker.debian.org/tracker/CVE-2014-5117
advisories.mageia.org/MGASA-2014-0312.html
bugs.mageia.org/show_bug.cgi?id=13824
web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-5117
ubuntu.com/security/CVE-2014-5117
cve.org/CVERecord?id=CVE-2014-5117
suse.com/security/cve/CVE-2011-0427
Left out here: 50 versions. The JSON record has them.