x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-310,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| paul_mattes | x3270 | * |
| paul_mattes | x3270 | 3.3.8 |
| paul_mattes | x3270 | 3.3.12 |
| paul_mattes | x3270 | 3.3.9 |
| paul_mattes | x3270 | 3.3.10 |
| paul_mattes | x3270 | 3.3.7 |
| paul_mattes | x3270 | 3.3.6 |
| paul_mattes | x3270 | 3.3.5 |
| paul_mattes | x3270 | 3.3.11 |