CVE-2020-7043
Published: 27 February 2020
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.
Priority
Status
Package | Release | Status |
---|---|---|
openfortivpn Launchpad, Ubuntu, Debian |
bionic |
Needs triage
|
eoan |
Ignored
(end of life)
|
|
focal |
Not vulnerable
(1.12.0-1)
|
|
groovy |
Not vulnerable
(1.12.0-1)
|
|
hirsute |
Not vulnerable
(1.12.0-1)
|
|
impish |
Not vulnerable
(1.12.0-1)
|
|
jammy |
Not vulnerable
(1.12.0-1)
|
|
kinetic |
Not vulnerable
(1.12.0-1)
|
|
lunar |
Not vulnerable
(1.12.0-1)
|
|
mantic |
Not vulnerable
(1.12.0-1)
|
|
noble |
Not vulnerable
(1.12.0-1)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(1.12.0-1)
|
|
xenial |
Does not exist
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.1 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | None |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
References
- https://github.com/adrienverge/openfortivpn/issues/536
- https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8
- https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4
- https://www.cve.org/CVERecord?id=CVE-2020-7043
- NVD
- Launchpad
- Debian