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
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