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Privileges Required
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0

CVE-2009-4565

Disclosure Date: January 04, 2010
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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.

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CVSS V3 Severity and Metrics
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Impact Score:
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Exploitability Score:
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Vector:
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Attack Vector (AV):
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Privileges Required (PR):
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User Interaction (UI):
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Integrity (I):
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Availability (A):
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Technical Analysis