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Debian: Security Advisory for coturn (DSA-4711-1)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.5

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)