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.
Published: 2020-02-27
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2020-28177 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.
History

No history.

Subscriptions

Fedoraproject Fedora
Openfortivpn Project Openfortivpn
Openssl Openssl
Opensuse Backports Sle Leap
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T09:18:03.013Z

Reserved: 2020-01-14T00:00:00.000Z

Link: CVE-2020-7043

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-02-27T18:15:11.623

Modified: 2024-11-21T05:36:32.770

Link: CVE-2020-7043

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses