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Test ID:1.3.6.1.4.1.25623.1.0.892271
Category:Debian Local Security Checks
Title:Debian LTS: Security Advisory for coturn (DLA-2271-1)
Summary:The remote host is missing an update for the 'coturn'; package(s) announced via the DLA-2271-1 advisory.
Description:Summary:
The remote host is missing an update for the 'coturn'
package(s) announced via the DLA-2271-1 advisory.

Vulnerability Insight:
In coturn before version 4.5.1.3, there is an issue whereby
STUN/TURN response buffer is not initialized properly. There
is a leak of information between different client connections.
One client (an attacker) could use their connection to
intelligently query coturn to get interesting bytes in the
padding bytes from the connection of another client.

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

Solution:
For Debian 8 'Jessie', this problem has been fixed in version
4.2.1.2-1+deb8u2.

We recommend that you upgrade your coturn packages.

CVSS Score:
5.0

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

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/
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