ALT-PU-2025-13428-3
Closed vulnerabilities
Modified: 2025-11-19
BDU:2024-00106
Уязвимость демона smtpd почтового сервера Postfix, позволяющая нарушителю обойти ограничения безопасности и осуществить подмену электронных писем (атака типа SMTP Smuggling)
Modified: 2025-11-04
CVE-2023-51764
Postfix through 3.8.5 allows SMTP smuggling unless configured with smtpd_data_restrictions=reject_unauth_pipelining and smtpd_discard_ehlo_keywords=chunking (or certain other options that exist in recent versions). Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed MAIL FROM address, allowing bypass of an SPF protection mechanism. This occurs because Postfix supports
- http://www.openwall.com/lists/oss-security/2023/12/24/1
- http://www.openwall.com/lists/oss-security/2023/12/25/1
- http://www.openwall.com/lists/oss-security/2024/05/09/3
- https://access.redhat.com/security/cve/CVE-2023-51764
- https://bugzilla.redhat.com/show_bug.cgi?id=2255563
- https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html
- https://github.com/duy-31/CVE-2023-51764
- https://github.com/eeenvik1/CVE-2023-51764
- https://lists.debian.org/debian-lts-announce/2024/01/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQ5WXFCW2N6G2PH3JXDTYW5PH5EBQEGO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QRLF5SOS7TP5N7FQSEK2NFNB44ISVTZC/
- https://lwn.net/Articles/956533/
- https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/
- https://www.openwall.com/lists/oss-security/2024/01/22/1
- https://www.postfix.org/announcements/postfix-3.8.5.html
- https://www.postfix.org/smtp-smuggling.html
- https://www.youtube.com/watch?v=V8KPV96g1To
- http://www.openwall.com/lists/oss-security/2023/12/24/1
- http://www.openwall.com/lists/oss-security/2023/12/25/1
- http://www.openwall.com/lists/oss-security/2024/05/09/3
- https://access.redhat.com/security/cve/CVE-2023-51764
- https://bugzilla.redhat.com/show_bug.cgi?id=2255563
- https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html
- https://github.com/duy-31/CVE-2023-51764
- https://github.com/eeenvik1/CVE-2023-51764
- https://lists.debian.org/debian-lts-announce/2024/01/msg00020.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JQ5WXFCW2N6G2PH3JXDTYW5PH5EBQEGO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QRLF5SOS7TP5N7FQSEK2NFNB44ISVTZC/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JQ5WXFCW2N6G2PH3JXDTYW5PH5EBQEGO/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QRLF5SOS7TP5N7FQSEK2NFNB44ISVTZC/
- https://lwn.net/Articles/956533/
- https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/
- https://www.openwall.com/lists/oss-security/2024/01/22/1
- https://www.postfix.org/announcements/postfix-3.8.5.html
- https://www.postfix.org/smtp-smuggling.html
- https://www.youtube.com/watch?v=V8KPV96g1To
Closed bugs
Предупреждения о попытке чтения несуществующих библиотек
CVE-2023-51764 для закрытия необходимо обновление до версии 3.8.4 и старше