CVE-2018-4058

HIGHCVSS 7.7/10EPSS 0.94%

Last modified

CVE-2018-4058 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. An exploitable unsafe default configuration vulnerability exists in the TURN server functionality of coTURN prior to 4.5.0.9. By default, the TURN server allows relaying external traffic to the loopback interface of its own host. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

An exploitable unsafe default configuration vulnerability exists in the TURN server functionality of coTURN prior to 4.5.0.9. By default, the TURN server allows relaying external traffic to the loopback interface of its own host. This can provide access to other private services running on that host, which can lead to further attacks. An attacker can set up a relay with a loopback address as the peer on an affected TURN server to trigger this vulnerability.

Metrics

CVSS 3.1
7.7/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

EPSS Probability
0.94%

56.2th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Coturn ProjectCoturn< 4.5.0.9

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-4058?
An exploitable unsafe default configuration vulnerability exists in the TURN server functionality of coTURN prior to 4.5.0.9. By default, the TURN server allows relaying external traffic to the loopback interface of its own host. This can provide access to other private services running on that host, which can lead to further attacks. An attacker can set up a relay with a loopback address as the peer on an affected TURN server to trigger this vulnerability.
How severe is CVE-2018-4058?
CVE-2018-4058 has a CVSS score of 7.7/10 (HIGH severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.
How do I fix CVE-2018-4058?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-4058?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST