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Sendmail NULL Character CA SSL Certificate Validation Security Bypass Vulnerability
Information
Severity
Severity
High
Family
Family
SMTP problems
CVSSv2 Base
CVSSv2 Base
7.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
14 years ago
Modified
Modified
5 years ago
Summary
Sendmail is prone to a security-bypass vulnerability because the application fails to properly validate the domain name in a signed CA certificate, allowing attackers to substitute malicious SSL certificates for trusted ones.
Affected Software
Affected Software
Versions prior to Sendmail 8.14.4 are vulnerable.
Solution
Solution
Updates are available. Please see the references for more information.