CVE-2020-7043
OpenFortivPN OpenSSL Certificate Validation Chain Break
Description
An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.
INFO
Published Date :
Feb. 27, 2020, 6:15 p.m.
Last Modified :
Nov. 7, 2023, 3:25 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
5.2
Exploitability Score :
3.9
Public PoC/Exploit Available at Github
CVE-2020-7043 has a 2 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-7043
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-2020-7043.
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).
None
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-7043 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-7043 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 MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/ [No types assigned] Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/ [No types assigned] Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/ Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/ -
Modified Analysis by [email protected]
Oct. 09, 2020
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html Third Party Advisory http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html Mailing List, Third Party Advisory Changed Reference Type https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8 No Types Assigned https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8 Patch, Third Party Advisory Changed Reference Type https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4 Third Party Advisory https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4 Patch, Third Party Advisory Changed CPE Configuration AND OR *cpe:2.3:a:openfortivpn_project:openfortivpn:1.11.0:*:*:*:*:*:*:* OR cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2 AND OR *cpe:2.3:a:openfortivpn_project:openfortivpn:*:*:*:*:*:*:*:* versions up to (excluding) 1.12.0 OR cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2 Changed CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Sep. 24, 2020
Action Type Old Value New Value Added Reference https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8 [No Types Assigned] -
Modified Analysis by [email protected]
Sep. 21, 2020
Action Type Old Value New Value Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html Third Party Advisory Changed Reference Type https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4 Patch, Third Party Advisory https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4 Third Party Advisory Changed Reference Type https://github.com/adrienverge/openfortivpn/issues/536 Third Party Advisory https://github.com/adrienverge/openfortivpn/issues/536 Issue Tracking, Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/ Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/ Third Party Advisory Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/ Third Party Advisory Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* *cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Mar. 16, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 06, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 06, 2020
Action Type Old Value New Value Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/ [No Types Assigned] -
CVE Modified by [email protected]
Mar. 05, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html [No Types Assigned] -
CVE Modified by [email protected]
Mar. 05, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html [No Types Assigned] -
Initial Analysis by [email protected]
Mar. 03, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Changed Reference Type https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4 No Types Assigned https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4 Patch, Third Party Advisory Changed Reference Type https://github.com/adrienverge/openfortivpn/issues/536 No Types Assigned https://github.com/adrienverge/openfortivpn/issues/536 Third Party Advisory Added CWE NIST CWE-295 Added CPE Configuration AND OR *cpe:2.3:a:openfortivpn_project:openfortivpn:1.11.0:*:*:*:*:*:*:* OR cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-7043 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-2020-7043
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.22 }} -0.00%
score
0.60852
percentile