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Sendmail SSL Certificate NULL Character Spoofing Vulnerability

  Severity: HIGH
  CVE Identifier: CVE-2009-4565
  Advisory Date: JUL 21, 2015

  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