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Debian: Security Advisory for coturn (DSA-4711-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'coturn' package(s) announced via the DSA-4711-1 advisory.
Insight
Insight
Several vulnerabilities were discovered in coturn, a TURN and STUN server for VoIP. CVE-2020-4067 Felix Doerre reported that the STUN response buffer was not properly initialised, which could allow an attacker to leak bytes in the padding bytes from the connection of another client. CVE-2020-6061 Aleksandar Nikolic reported that a crafted HTTP POST request can lead to information leaks and other misbehavior. CVE-2020-6062 Aleksandar Nikolic reported that a crafted HTTP POST request can lead to server crash and denial of service.
Affected Software
Affected Software
'coturn' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the oldstable distribution (stretch), these problems have been fixed in version 4.5.0.5-1+deb9u2. For the stable distribution (buster), these problems have been fixed in version 4.5.1.1-1.1+deb10u1. We recommend that you upgrade your coturn packages.