CVE-2009-2666: Medium severity fetchmail vulnerability

Published Aug 7, 2009
·
Updated

socket.c in fetchmail before 6.3.11 does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Affected Software

117 affected components
Fetchmail Fetchmail=5.6.0
Fetchmail Fetchmail=5.2.1
Fetchmail Fetchmail=4.7.6
Fetchmail Fetchmail=4.6.4
Fetchmail Fetchmail=5.4.3
Fetchmail Fetchmail=5.8.4
Fetchmail Fetchmail=4.7.0
Fetchmail Fetchmail=5.8
Fetchmail Fetchmail=5.0.1
Fetchmail Fetchmail=4.7.3
Fetchmail Fetchmail=6.3.5
Fetchmail Fetchmail=6.3.7
Fetchmail Fetchmail=5.4.5
Fetchmail Fetchmail=4.5.2
Fetchmail Fetchmail=6.2.0
Fetchmail Fetchmail=5.0.5
Fetchmail Fetchmail=6.0.0
Fetchmail Fetchmail=5.2.4
Fetchmail Fetchmail=6.2.1
Fetchmail Fetchmail=5.3.0
Fetchmail Fetchmail=5.9.10
Fetchmail Fetchmail=4.7.4
Fetchmail Fetchmail=5.8.11
Fetchmail Fetchmail=4.6.8
Fetchmail Fetchmail=6.2.5.1
Fetchmail Fetchmail=5.9.8
Fetchmail Fetchmail=5.5.6
Fetchmail Fetchmail=5.8.2
Fetchmail Fetchmail=4.6.2
Fetchmail Fetchmail=5.8.17
Fetchmail Fetchmail=6.3.6-rc5
Fetchmail Fetchmail=6.2.9-rc4
Fetchmail Fetchmail=6.2.6-pre4
Fetchmail Fetchmail=6.2.9-rc10
Fetchmail Fetchmail=4.6.9
Fetchmail Fetchmail=5.4.0
Fetchmail Fetchmail=5.3.8
Fetchmail Fetchmail=4.6.6
Fetchmail Fetchmail=6.2.9-rc3
Fetchmail Fetchmail=5.9.13
Fetchmail Fetchmail=4.5.4
Fetchmail Fetchmail=5.0.4
Fetchmail Fetchmail=5.8.5
Fetchmail Fetchmail=5.0.8
Fetchmail Fetchmail=5.7.0
Fetchmail Fetchmail=4.5.8
Fetchmail Fetchmail=6.2.9-rc5
Fetchmail Fetchmail=6.3.2
Fetchmail Fetchmail=5.0.7
Fetchmail Fetchmail=5.9.5
Fetchmail Fetchmail=6.3.0
Fetchmail Fetchmail=5.2.0
Fetchmail Fetchmail=5.9.0
Fetchmail Fetchmail=5.9.11
Fetchmail Fetchmail=5.8.3
Fetchmail Fetchmail=4.5.3
Fetchmail Fetchmail=5.8.14
Fetchmail Fetchmail=6.2.9-rc9
Fetchmail Fetchmail=4.5.1
Fetchmail Fetchmail=5.5.3
Fetchmail Fetchmail=6.1.0
Fetchmail Fetchmail=6.3.8
Fetchmail Fetchmail=4.6.1
Fetchmail Fetchmail=5.1.4
Fetchmail Fetchmail=5.2.3
Fetchmail Fetchmail=6.2.5.4
Fetchmail Fetchmail=6.3.6-rc2
Fetchmail Fetchmail=6.3.6-rc4
Fetchmail Fetchmail=5.8.6
Fetchmail Fetchmail=6.2.6-pre8
Fetchmail Fetchmail=6.2.2
Fetchmail Fetchmail=4.7.7
Fetchmail Fetchmail=4.5.6
Fetchmail Fetchmail=6.3.9
Fetchmail Fetchmail=6.3.3
Fetchmail Fetchmail=5.5.0
Fetchmail Fetchmail=6.2.4
Fetchmail Fetchmail=4.6.7
Fetchmail Fetchmail=5.7.2
Fetchmail Fetchmail=5.2.7
Fetchmail Fetchmail=5.3.1
Fetchmail Fetchmail=6.3.9-rc2
Fetchmail Fetchmail=6.2.6-pre9
Fetchmail Fetchmail=6.3.6-rc3
Fetchmail Fetchmail=5.8.1
Fetchmail Fetchmail=5.3.3
Fetchmail Fetchmail=6.2.5.2
Fetchmail Fetchmail=6.2.5
Fetchmail Fetchmail=5.9.4
Fetchmail Fetchmail<=6.3.10
Fetchmail Fetchmail=4.7.1
Fetchmail Fetchmail=5.1.0
Fetchmail Fetchmail=4.5.5
Fetchmail Fetchmail=6.3.4
Fetchmail Fetchmail=6.2.9-rc8
Fetchmail Fetchmail=5.0.2
Fetchmail Fetchmail=6.3.6-rc1
Fetchmail Fetchmail=4.6.3
Fetchmail Fetchmail=6.2.9-rc7
Fetchmail Fetchmail=5.8.13
Fetchmail Fetchmail=6.1.3
Fetchmail Fetchmail=4.5.7
Fetchmail Fetchmail=4.7.2
Fetchmail Fetchmail=6.3.6
Fetchmail Fetchmail=5.0.0
Fetchmail Fetchmail=5.2.8
Fetchmail Fetchmail=4.6.5
Fetchmail Fetchmail=5.7.4
Fetchmail Fetchmail=5.0.3
Fetchmail Fetchmail=4.7.5
Fetchmail Fetchmail=5.5.5
Fetchmail Fetchmail=4.6.0
Fetchmail Fetchmail=5.0.6
Fetchmail Fetchmail=5.4.4
Fetchmail Fetchmail=6.2.3
Fetchmail Fetchmail=6.3.1
Fetchmail Fetchmail=5.5.2

Event History

Aug 7, 2009
CVE Published
via MITRE·06:33 PM
Data Sourced
via MITRE·06:33 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2009-2666?

The severity of CVE-2009-2666 is classified as high due to its potential for man-in-the-middle attacks.

2

How do I fix CVE-2009-2666?

To fix CVE-2009-2666, upgrade to fetchmail version 6.3.11 or later where the vulnerability has been addressed.

3

What impact does CVE-2009-2666 have on my system?

CVE-2009-2666 allows attackers to spoof SSL servers, compromising the integrity and confidentiality of data transmitted.

4

Which versions of fetchmail are affected by CVE-2009-2666?

CVE-2009-2666 affects multiple versions of fetchmail prior to 6.3.11, including versions as early as 4.5.0.

5

What can I do if I cannot upgrade to a version that fixes CVE-2009-2666?

If upgrading is not an option, consider implementing strict validation of SSL certificates or using alternative secure methods.

Company

Resources

Contact

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