| CVE-2009-4565 | Date: (C)2010-01-04 (M)2024-02-22 |
sendmail before 8.14.4 does not properly handle a ' ' character in a Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based SMTP servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended access restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 7.5 |
| Exploit Score: 10.0 |
| Impact Score: 6.4 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: LOW |
| Authentication: NONE |
| Confidentiality: PARTIAL |
| Integrity: PARTIAL |
| Availability: PARTIAL |
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