CVE-2020-7041: An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later

Medium severity · published Feb 27, 2020

CVE-2020-7041

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later

5.3

CVSS

1.7%

EPSS

On KEV

Description

An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an X509_check_host negative error code is interpreted as a successful return value.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

None

Integrity

Low

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)1.7% · higher than 78% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

Backports Sle · Opensuse

15.0 · source: NVD

Fedora · Fedoraproject

30; 31; 32 · source: NVD

Leap · Opensuse

15.1 · source: NVD

Openfortivpn · Openfortivpn Project

before 1.12.0 · source: NVD

Affected product

Fedora

Fedoraproject

All Fedora CVEs

References

NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-7041

CVE.org

https://www.cve.org/CVERecord?id=CVE-2020-7041

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html

Mailing List

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html

Patch

https://github.com/adrienverge/openfortivpn/commit/60660e00b80bad0fadcf39aee86f6f8756c94f91

Patch

https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4

Issue Tracking

https://github.com/adrienverge/openfortivpn/issues/536

lists.fedoraproject.org

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/