CVE-2018-4056 json
An exploitable SQL injection vulnerability exists in the administrator web portal function of coTURN prior to version 4.5.0.9.
published 2019-02-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-15842
- cvss
- 9.1
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
An exploitable SQL injection vulnerability exists in the administrator web portal function of coTURN prior to version 4.5.0.9. A login message with a specially crafted username can cause an SQL injection, resulting in authentication bypass, which could give access to the TURN server administrator web portal. An attacker can log in via the external interface of the TURN server to trigger this vulnerability.
Patch / fix
- coturn_project coturn 4.5.0.9
- coturn Debian 14, Debian 13, Debian 12 4.5.1.0-1
debian advisories DEBIAN-CVE-2018-4056
- coturn Ubuntu 16.04 LTS 4.5.0.3-1ubuntu0.2
- coturn Ubuntu 18.04 LTS 4.5.0.7-1ubuntu2.18.04.1
ubuntu advisories UBUNTU-CVE-2018-4056
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
2.96% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- talosintelligence.com https://talosintelligence.com/vulnerability_reports/TALOS-2018-0730 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Talos coTURN
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
References
-
talosintelligence.com
/vulnerability_reports/TALOS-2018-0730
exploit, third-party-advisory
-
debian.org
/security/2019/dsa-4373
vendor-advisory, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2019/02/msg00017.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2018-4056
- NVD CVE-2018-4056
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.