CVE-2020-7043
First published: Thu Feb 27 2020(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openfortivpn Project Openfortivpn | <1.12.0 | |
| OpenSSL OpenSSL | <1.0.2 | |
| Fedoraproject Fedora | =30 | |
| Fedoraproject Fedora | =31 | |
| Fedoraproject Fedora | =32 | |
| openSUSE Backports SLE | =15.0-sp1 | |
| openSUSE Leap | =15.1 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html
- https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8
- https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4
- https://github.com/adrienverge/openfortivpn/issues/536
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/
Frequently Asked Questions
What is the severity of CVE-2020-7043?
The severity of CVE-2020-7043 is critical with a CVSS score of 9.1.
How does CVE-2020-7043 affect openfortivpn?
CVE-2020-7043 affects openfortivpn version 1.11.0 up to, but not including, version 1.12.0.
Which OpenSSL versions are vulnerable to CVE-2020-7043?
OpenSSL versions before 1.0.2 are vulnerable to CVE-2020-7043.
How can I fix CVE-2020-7043 in openfortivpn?
To fix CVE-2020-7043 in openfortivpn, upgrade to version 1.12.0 or later.
Are there any references available for CVE-2020-7043?
Yes, you can find references for CVE-2020-7043 at the following links: - http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html - http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html - https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8
- collector/nvd-index
- agent/tags
- agent/event
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/type
- agent/description
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- collector/mitre-cve
- source/MITRE
- vendor/openfortivpn project
- canonical/openfortivpn project openfortivpn
- vendor/openssl
- canonical/openssl openssl
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/30
- version/fedoraproject fedora/31
- version/fedoraproject fedora/32
- vendor/opensuse
- canonical/opensuse backports sle
- version/opensuse backports sle/15.0-sp1
- canonical/opensuse leap
- version/opensuse leap/15.1