- Vulnerabilities 87,061
Debian: Security Advisory for coturn (DSA-4829-1)
Published: 2021-01-12 04:00:09
CVE Author: NIST National Vulnerability Database
CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N
Summary:
The remote host is missing an update for the 'coturn'
Linux Distribution Package(s) announced via the DSA-4829-1 advisory.
Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.
Technical Details:
A flaw was discovered in coturn, a TURN and STUN server for VoIP. By
default coturn does not allow peers on the loopback addresses
(127.x.x.x and ::1). A remote attacker can bypass the protection via a
specially crafted request using a peer address of 0.0.0.0
and trick
coturn in relaying to the loopback interface. If listening on IPv6 the
loopback interface can also be reached by using either [::1] or [::] as
the address.
Affected Versions:
'coturn' Linux Distribution Package(s) on Debian Linux.
Recommendations:
For the stable distribution (buster), this problem has been fixed in
version 4.5.1.1-1.1+deb10u2.
We recommend that you upgrade your coturn Linux Distribution Packages.
Solution Type:
Vendor Patch
Detection Type:
Linux Distribution Package
https://nvd.nist.gov/vuln/detail/CVE-2020-26262
https://www.debian.org/security/2021/dsa-4829.html
https://security-tracker.debian.org/tracker/DSA-4829-1
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