CVE-2009-2666

fetchmail: SSL null terminator bypass

Published Aug 7, 2009 CVSS 2.0 · 6.4 Medium EPSS 1.5% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-1852-1 New fetchmail packages fix SSL certificate verification weakness
EUVD EUVD EUVD-2009-2659 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.
Ubuntu USN Ubuntu USN USN-816-1 fetchmail vulnerability
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 7, 2024, 5:59 AM
Reserved
Aug 5, 2009, 12:00 AM
Status
Modified
Published
Aug 7, 2009, 7:00 PM
Modified
Jun 16, 2026, 11:09 PM
Severity
Moderate
Public date
Aug 5, 2009, 12:00 AM