CVE-2009-2666

UnknownEPSS 1.50%

Last modified

CVE-2009-2666 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
1.50%

71.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
FetchmailFetchmail<= 6.3.10
FetchmailFetchmail4.5.1
FetchmailFetchmail4.5.2
FetchmailFetchmail4.5.3
FetchmailFetchmail4.5.4
FetchmailFetchmail4.5.5
FetchmailFetchmail4.5.6
FetchmailFetchmail4.5.7
FetchmailFetchmail4.5.8
FetchmailFetchmail4.6.0
FetchmailFetchmail4.6.1
FetchmailFetchmail4.6.2
FetchmailFetchmail4.6.3
FetchmailFetchmail4.6.4
FetchmailFetchmail4.6.5
FetchmailFetchmail4.6.6
FetchmailFetchmail4.6.7
FetchmailFetchmail4.6.8
FetchmailFetchmail4.6.9
FetchmailFetchmail4.7.0
FetchmailFetchmail4.7.1
FetchmailFetchmail4.7.2
FetchmailFetchmail4.7.3
FetchmailFetchmail4.7.4
FetchmailFetchmail4.7.5
FetchmailFetchmail4.7.6
FetchmailFetchmail4.7.7
FetchmailFetchmail5.0.0
FetchmailFetchmail5.0.1
FetchmailFetchmail5.0.2
FetchmailFetchmail5.0.3
FetchmailFetchmail5.0.4
FetchmailFetchmail5.0.5
FetchmailFetchmail5.0.6
FetchmailFetchmail5.0.7
FetchmailFetchmail5.0.8
FetchmailFetchmail5.1.0
FetchmailFetchmail5.1.4
FetchmailFetchmail5.2.0
FetchmailFetchmail5.2.1
FetchmailFetchmail5.2.3
FetchmailFetchmail5.2.4
FetchmailFetchmail5.2.7
FetchmailFetchmail5.2.8
FetchmailFetchmail5.3.0
FetchmailFetchmail5.3.1
FetchmailFetchmail5.3.3
FetchmailFetchmail5.3.8
FetchmailFetchmail5.4.0
FetchmailFetchmail5.4.3

Showing 50 of 103 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2009-2666?
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.
How severe is CVE-2009-2666?
Severity scoring for CVE-2009-2666 is pending analysis. The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.
How do I fix CVE-2009-2666?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2009-2666?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST