CVE-2009-4565
High
Description
sendmail before 8.14.4 does not properly handle a '\0' 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.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSendmail
PublishedJan 4, 2010
First seenJan 4, 2010
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sendmail sendmail | v ≤ 8.14.3, 2.6, 2.6.1, 3.0, 3.0.1, 4.1, 4.55, 5, 5.59, 5.61, 5.65, 8.6.7, 8.7.6, 8.7.7, 8.7.8, 8.7.9, 8.7.10, 8.8.8, 8.9.0, 8.9.1, 8.9.2, 8.9.3, 8.10, 8.10.0, 8.10.1, 8.10.2, 8.11.0, 8.11.1, 8.11.2, 8.11.3, 8.11.4, 8.11.5, 8.11.6, 8.11.7, 8.12, 8.12.0, 8.12.1, 8.12.2, 8.12.3, 8.12.4, 8.12.5, 8.12.6, 8.12.7, 8.12.8, 8.12.9, 8.12.10, 8.13.0, 8.13.1, 8.13.1.2, 8.13.2, 8.13.3, 8.13.4, 8.13.5, 8.13.6, 8.13.7, 8.13.8, 8.14.1, 8.14.2 | — |
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