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.
Product
debian/openfortivpn vulnerabilities
3 published CVES affecting debian/openfortivpn, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 3
- Critical
- 1
- High
- 0
- Medium
- 2
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Latest debian/openfortivpn CVEs
Newest publication first
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CriticalCVSS 9.1 EPSS 2.8%
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MediumCVSS 5.3 EPSS 1.6%
An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because the hostname check operates on uninitialized memory. The outcome is that a valid certificate is never accepted (only a malformed certificate ma...
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MediumCVSS 5.3 EPSS 1.7%
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.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.