CVE-2020-6061: Critical severity Coturn Project Coturn vulnerability

Published Feb 19, 2020
·
Updated

An exploitable heap out-of-bounds read vulnerability exists in the way CoTURN 4.5.1.1 web server parses POST requests. A specially crafted HTTP POST request can lead to information leaks and other misbehavior. An attacker needs to send an HTTPS request to trigger this vulnerability.

Affected Software

12 affected componentsFixes available
debian/coturn<=4.5.0.5-1+deb9u1, <=4.5.1.1-1.1, <=4.5.0.5-1
4.5.1.1-1.24.5.0.5-1+deb9u24.5.1.1-1.1+deb10u1
Coturn Project Coturn=4.5.1.1
Fedoraproject Fedora=30
Fedoraproject Fedora=31
Fedoraproject Fedora=32
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=19.10
Canonical Ubuntu Linux=20.04
debian/coturn
4.5.2-34.6.1-14.6.1-24.12.0-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/coturn to a version that resolves this vulnerability.

    Fixed in 4.5.1.1-1.2Fixed in 4.5.0.5-1+deb9u2Fixed in 4.5.1.1-1.1+deb10u1
  2. Upgrade

    Upgrade debian/coturn to a version that resolves this vulnerability.

    Fixed in 4.5.2-3Fixed in 4.6.1-1Fixed in 4.6.1-2Fixed in 4.12.0-1

Event History

Feb 19, 2020
CVE Published
via MITRE·06:27 PM
Data Sourced
via MITRE·06:27 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·07:15 PM
DescriptionSeverityWeaknessAffected Software
Feb 23, 2026
Data Sourced
via Ubuntu·11:28 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·11:29 PM
Description
Jun 29, 2026
Data Sourced
via Debian·03:45 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2020-6061?

CVE-2020-6061 is classified as a medium severity vulnerability due to its potential for information leaks.

2

How do I fix CVE-2020-6061?

To fix CVE-2020-6061, upgrade to the appropriate patched version of CoTURN, such as 4.5.1.1-1.2 or later.

3

What versions of CoTURN are affected by CVE-2020-6061?

Versions of CoTURN prior to 4.5.1.1-1.2 are affected by CVE-2020-6061.

4

What type of vulnerability is CVE-2020-6061?

CVE-2020-6061 is a heap out-of-bounds read vulnerability.

5

What is required to exploit CVE-2020-6061?

An attacker must send a specially crafted HTTPS POST request to exploit CVE-2020-6061.

Contact

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