CVE-2020-4067
Coturn TURN Buffer Leak Information Disclosure
Description
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. This has been fixed in 4.5.1.3.
INFO
Published Date :
June 29, 2020, 8:15 p.m.
Last Modified :
Nov. 7, 2023, 3:23 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
Affected Products
The following products are affected by CVE-2020-4067
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-4067.
| URL | Resource |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html | Mailing List Third Party Advisory |
| https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15 | Release Notes |
| https://github.com/coturn/coturn/issues/583 | Issue Tracking Third Party Advisory |
| https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm | Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/ | |
| https://usn.ubuntu.com/4415-1/ | Third Party Advisory |
| https://www.debian.org/security/2020/dsa-4711 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-4067 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-4067 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Nov. 07, 2023
Action Type Old Value New Value Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/ [No types assigned] Added Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/ [No types assigned] Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/ Removed Reference GitHub, Inc. https://lists.fedoraproject.org/archives/list/[email protected]/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/ -
Modified Analysis by [email protected]
Feb. 27, 2023
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html Mailing List, Third Party Advisory Changed Reference Type https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15 Release Notes, Third Party Advisory https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15 Release Notes Changed Reference Type https://github.com/coturn/coturn/issues/583 Third Party Advisory https://github.com/coturn/coturn/issues/583 Issue Tracking, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/ Mailing List, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/ Mailing List, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/4415-1/ No Types Assigned https://usn.ubuntu.com/4415-1/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* *cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 18, 2020
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 09, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/TNJJO77ZLGGFJWNUGP6VDG5HPAC5UDBK/ [No Types Assigned] Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/5G35UBNSRLL6SYRTODYTMBJ65TLQILUM/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 08, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4415-1/ [No Types Assigned] -
Initial Analysis by [email protected]
Jul. 07, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html Third Party Advisory Changed Reference Type https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15 No Types Assigned https://github.com/coturn/coturn/blob/aab60340b201d55c007bcdc853230f47aa2dfdf1/ChangeLog#L15 Release Notes, Third Party Advisory Changed Reference Type https://github.com/coturn/coturn/issues/583 No Types Assigned https://github.com/coturn/coturn/issues/583 Third Party Advisory Changed Reference Type https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm No Types Assigned https://github.com/coturn/coturn/security/advisories/GHSA-c8r8-8vp5-6gcm Third Party Advisory Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html Mailing List, Third Party Advisory Changed Reference Type https://www.debian.org/security/2020/dsa-4711 No Types Assigned https://www.debian.org/security/2020/dsa-4711 Third Party Advisory Added CWE NIST CWE-665 Added CPE Configuration OR *cpe:2.3:a:coturn_project:coturn:*:*:*:*:*:*:*:* versions up to (excluding) 4.5.1.3 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 07, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00010.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 01, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/07/msg00002.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 29, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4711 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-4067 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-4067
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.63 }} -0.01%
score
0.79444
percentile