CVE-2020-7043
Critical
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.
SeverityCritical
CVSS9.1
Exploit probability—
Product
Openfortivpn
PublishedFeb 27, 2020
First seenFeb 27, 2020
How to fix
Update
- openfortivpn_project openfortivpn1.12.0 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| openfortivpn_project openfortivpn | v < 1.12.0 | 1.12.0 |
| fedoraproject fedora | 30, 31, 32 | — |
| opensuse backports_sle | 15.0 | — |
| opensuse leap | 15.1 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.