CVE-2009-4565

Severity

75%

Complexity

99%

Confidentiality

106%

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.

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.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

Type

Sendmail

First reported 15 years ago

2010-01-04 21:30:00

Last updated 7 years ago

2017-09-19 01:29:00

Affected Software

Sendmail Sendmail 2.6

2.6

Sendmail Sendmail 2.6.1

2.6.1

Sendmail Sendmail 3.0

3.0

Sendmail Sendmail 3.0.1

3.0.1

Sendmail Sendmail 4.1

4.1

Sendmail Sendmail 8.6.7

8.6.7

Sendmail Consortium 8.7.6

8.7.6

Sendmail Consortium 8.7.7

8.7.7

Sendmail Consortium 8.7.8

8.7.8

Sendmail Consortium 8.7.9

8.7.9

Sendmail Consortium 8.7.10

8.7.10

Sendmail Sendmail 8.8.8

8.8.8

Sendmail Sendmail 8.9.0

8.9.0

Sendmail Sendmail 8.9.1

8.9.1

Sendmail Sendmail 8.9.2

8.9.2

Sendmail Sendmail 8.9.3

8.9.3

Sendmail Sendmail 8.10

8.10

Sendmail Sendmail 8.10.0

8.10.0

Sendmail Sendmail 8.10.1

8.10.1

Sendmail Sendmail 8.10.2

8.10.2

Sendmail Sendmail 8.11

8.11.0

Sendmail Sendmail 8.11.1

8.11.1

Sendmail Sendmail 8.11.2

8.11.2

Sendmail Sendmail 8.11.3

8.11.3

Sendmail Sendmail 8.11.4

8.11.4

Sendmail Sendmail 8.11.5

8.11.5

Sendmail Sendmail 8.11.6

8.11.6

Sendmail Sendmail 8.11.7

8.11.7

Sendmail Sendmail 8.12 Beta10

8.12

Sendmail Sendmail 8.12 Beta12

8.12

Sendmail Sendmail 8.12 Beta16

8.12

Sendmail Sendmail 8.12 Beta5

8.12

Sendmail Sendmail 8.12 beta7

8.12

Sendmail Sendmail 8.12.0

8.12.0

Sendmail Sendmail 8.12.1

8.12.1

Sendmail Sendmail 8.12.2

8.12.2

Sendmail Sendmail 8.12.3

8.12.3

Sendmail Sendmail 8.12.4

8.12.4

Sendmail Sendmail 8.12.5

8.12.5

Sendmail Sendmail 8.12.6

8.12.6

Sendmail Sendmail 8.12.7

8.12.7

Sendmail Sendmail 8.12.8

8.12.8

Sendmail Sendmail 8.12.9

8.12.9

Sendmail Sendmail 8.12.10

8.12.10

Sendmail Sendmail 8.13.0

8.13.0

Sendmail Sendmail 8.13.1

8.13.1

Sendmail Sendmail 8.13.1.2

8.13.1.2

Sendmail Sendmail 8.13.2

8.13.2

Sendmail Sendmail 8.13.3

8.13.3

Sendmail Sendmail 8.13.4

8.13.4

Sendmail Sendmail 8.13.5

8.13.5

Sendmail Sendmail 8.13.6

8.13.6

Sendmail Sendmail 8.13.7

8.13.7

Sendmail Sendmail 8.13.8

8.13.8

Sendmail Sendmail 8.14.1

8.14.1

Sendmail Sendmail 8.14.2

8.14.2

Sendmail Sendmail

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