Sendmail SSL Certificate NULL Character Spoofing Vulnerability

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  Severity: HIGH

  CVE Identifier: CVE-2009-4565

  Advisory Date: JUL 21, 2015

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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.

  TREND MICRO PROTECTION INFORMATION

Apply associated Trend Micro DPI Rules.

  SOLUTION

  Trend Micro Deep Security DPI Rule Number: 1003779

  Trend Micro Deep Security DPI Rule Name: 1003779 - Null Truncation In X.509 Common Name Spoofing Vulnerability

  AFFECTED SOFTWARE AND VERSION

• sendmail sendmail 2.6
• sendmail sendmail 2.6.1
• sendmail sendmail 3.0
• sendmail sendmail 3.0.1
• sendmail sendmail 4.1
• sendmail sendmail 4.55
• sendmail sendmail 5
• sendmail sendmail 5.59
• sendmail sendmail 5.61
• sendmail sendmail 5.65
• sendmail sendmail 8.10
• sendmail sendmail 8.10.0
• sendmail sendmail 8.10.1
• sendmail sendmail 8.10.2
• sendmail sendmail 8.11.0
• sendmail sendmail 8.11.1
• sendmail sendmail 8.11.2
• sendmail sendmail 8.11.3
• sendmail sendmail 8.11.4
• sendmail sendmail 8.11.5
• sendmail sendmail 8.11.6
• sendmail sendmail 8.11.7
• sendmail sendmail 8.12
• sendmail sendmail 8.12.0
• sendmail sendmail 8.12.1
• sendmail sendmail 8.12.10
• sendmail sendmail 8.12.2
• sendmail sendmail 8.12.3
• sendmail sendmail 8.12.4
• sendmail sendmail 8.12.5
• sendmail sendmail 8.12.6
• sendmail sendmail 8.12.7
• sendmail sendmail 8.12.8
• sendmail sendmail 8.12.9
• sendmail sendmail 8.13.0
• sendmail sendmail 8.13.1
• sendmail sendmail 8.13.1.2
• sendmail sendmail 8.13.2
• sendmail sendmail 8.13.3
• sendmail sendmail 8.13.4
• sendmail sendmail 8.13.5
• sendmail sendmail 8.13.6
• sendmail sendmail 8.13.7
• sendmail sendmail 8.13.8
• sendmail sendmail 8.14.1
• sendmail sendmail 8.14.2
• sendmail sendmail 8.14.3
• sendmail sendmail 8.6.7
• sendmail sendmail 8.7.10
• sendmail sendmail 8.7.6
• sendmail sendmail 8.7.7
• sendmail sendmail 8.7.8
• sendmail sendmail 8.7.9
• sendmail sendmail 8.8.8
• sendmail sendmail 8.9.0
• sendmail sendmail 8.9.1
• sendmail sendmail 8.9.2
• sendmail sendmail 8.9.3