# CVE-2018-4056: coturn: An exploitable SQL injection vulnerability exists in the administrator web portal function of coTURN prior to version...

CVE-2018-4056 is fixed in coturn on 1 platform by coturn 4.5.0.7-1ubuntu2.18.04.1 (version 4.5.0.7-1ubuntu2.18.04.1), released March 21, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-4056
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0296
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 5, 2019

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | coturn Ubuntu 18.04.6 LTS (bionic) | 4.5.0.7-1ubuntu2.18.04.1 | [coturn 4.5.0.7-1ubuntu2.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-coturn-4.5.0.7-1ubuntu2.18.04.1.md) | Mar 21, 2019 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo