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CVE-2009-4565

CVE-2009-4565

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

EPSS 2.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • sendmail Debian:12

    Affected ranges
    • ECOSYSTEM: < 8.14.3-9.1

    Update to 8.14.3-9.1

  • sendmail Debian:13

    Affected ranges
    • ECOSYSTEM: < 8.14.3-9.1

    Update to 8.14.3-9.1

  • sendmail Debian:14

    Affected ranges
    • ECOSYSTEM: < 8.14.3-9.1

    Update to 8.14.3-9.1

Original sources

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