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Test ID:1.3.6.1.4.1.25623.1.0.704711
Category:Debian Local Security Checks
Title:Debian: Security Advisory for coturn (DSA-4711-1)
Summary:The remote host is missing an update for the 'coturn'; package(s) announced via the DSA-4711-1 advisory.
Description:Summary:
The remote host is missing an update for the 'coturn'
package(s) announced via the DSA-4711-1 advisory.

Vulnerability 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/OS:
'coturn' package(s) on Debian Linux.

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.

CVSS Score:
7.5

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-4067
https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm
Debian Security Information: DSA-4711 (Google Search)
https://www.debian.org/security/2020/dsa-4711
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/
https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15
https://github.com/coturn/coturn/issues/583
https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html
SuSE Security Announcement: openSUSE-SU-2020:0937 (Google Search)
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html
https://usn.ubuntu.com/4415-1/
Common Vulnerability Exposure (CVE) ID: CVE-2020-6061
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XN2NK6FT7AMW5UIZNXDNHKEAYWAUMGSF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OUVZRXW5ZIGWVKOLF3NPXRPP74YX7BUY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HQZZPI34LAS3SFNW6Z2ZJ46RKVGEODNA/
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0984
Common Vulnerability Exposure (CVE) ID: CVE-2020-6062
https://talosintelligence.com/vulnerability_reports/TALOS-2020-0985
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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