WID-SEC-W-2023-3206
Vulnerability from csaf_certbund - Published: 2023-12-21 23:00 - Updated: 2024-11-11 23:00Summary
SMTP Implementierungen: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen
Severity
Hoch
Notes
Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.
Produktbeschreibung: Postfix ist ein Open Source Email Server für Linux und unix-basierte Betriebssysteme.
Sendmail ist ein Mail Transfer Agent für UNIX-Betriebssysteme.
Exim (EXperimental Internet Mailer) ist ein Mailserver und Mail Transfer Agent.
Angriff: Ein entfernter, anonymer Angreifer kann eine Schwachstelle in verschiedenen SMTP Implementierungen ausnutzen, um Sicherheitsvorkehrungen zu umgehen.
Betroffene Betriebssysteme: - Linux
- UNIX
Affected products
Known affected
15 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
|
Red Hat Enterprise Linux
Red Hat
|
cpe:/o:redhat:enterprise_linux:-
|
— | |
|
IBM AIX 7.2
IBM / AIX
|
cpe:/o:ibm:aix:7.2
|
7.2 | |
|
Open Source Exim
Open Source
|
cpe:/a:exim:exim:-
|
— | |
|
IBM VIOS 3.1
IBM / VIOS
|
cpe:/a:ibm:vios:3.1
|
3.1 | |
|
IBM VIOS 4.1
IBM / VIOS
|
cpe:/a:ibm:vios:4.1
|
4.1 | |
|
Fedora Linux
Fedora
|
cpe:/o:fedoraproject:fedora:-
|
— | |
|
IBM AIX 7.3
IBM / AIX
|
cpe:/o:ibm:aix:7.3
|
7.3 | |
|
EMC Avamar
EMC
|
cpe:/a:emc:avamar:-
|
— | |
|
Debian Linux
Debian
|
cpe:/o:debian:debian_linux:-
|
— | |
|
SUSE Linux
SUSE
|
cpe:/o:suse:suse_linux:-
|
— | |
|
Ubuntu Linux
Ubuntu
|
cpe:/o:canonical:ubuntu_linux:-
|
— | |
|
Dell NetWorker
Dell
|
cpe:/a:dell:networker:-
|
— | |
|
Open Source sendmail
Open Source
|
cpe:/a:sendmail:sendmail:-
|
— | |
|
Open Source Postfix <3.9
Open Source / Postfix
|
<3.9 | ||
|
Amazon Linux 2
Amazon
|
cpe:/o:amazon:linux_2:-
|
— |
Affected products
Known affected
15 products, the same list as for
CVE-2023-51764
Affected products
Known affected
15 products, the same list as for
CVE-2023-51764
References
34 references
{
"document": {
"aggregate_severity": {
"text": "hoch"
},
"category": "csaf_base",
"csaf_version": "2.0",
"distribution": {
"tlp": {
"label": "WHITE",
"url": "https://www.first.org/tlp/"
}
},
"lang": "de-DE",
"notes": [
{
"category": "legal_disclaimer",
"text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
},
{
"category": "description",
"text": "Postfix ist ein Open Source Email Server f\u00fcr Linux und unix-basierte Betriebssysteme.\r\nSendmail ist ein Mail Transfer Agent f\u00fcr UNIX-Betriebssysteme.\r\nExim (EXperimental Internet Mailer) ist ein Mailserver und Mail Transfer Agent.",
"title": "Produktbeschreibung"
},
{
"category": "summary",
"text": "Ein entfernter, anonymer Angreifer kann eine Schwachstelle in verschiedenen SMTP Implementierungen ausnutzen, um Sicherheitsvorkehrungen zu umgehen.",
"title": "Angriff"
},
{
"category": "general",
"text": "- Linux\n- UNIX",
"title": "Betroffene Betriebssysteme"
}
],
"publisher": {
"category": "other",
"contact_details": "csaf-provider@cert-bund.de",
"name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
"namespace": "https://www.bsi.bund.de"
},
"references": [
{
"category": "self",
"summary": "WID-SEC-W-2023-3206 - CSAF Version",
"url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-3206.json"
},
{
"category": "self",
"summary": "WID-SEC-2023-3206 - Portal Version",
"url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-3206"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3708 vom 2024-01-05",
"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00002.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-6611-1 vom 2024-01-29",
"url": "https://ubuntu.com/security/notices/USN-6611-1"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3725 vom 2024-01-30",
"url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00020.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-6591-2 vom 2024-01-31",
"url": "https://ubuntu.com/security/notices/USN-6591-2"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS-2024-1914 vom 2024-02-06",
"url": "https://alas.aws.amazon.com/ALAS-2024-1914.html"
},
{
"category": "external",
"summary": "Red Hat Bugzilla vom 2023-12-21",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255563"
},
{
"category": "external",
"summary": "SECConsult Blog vom 2023-12-21",
"url": "https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/"
},
{
"category": "external",
"summary": "Postfix Patch vom 2023-12-21",
"url": "https://www.mail-archive.com/postfix-users@postfix.org/msg100901.html"
},
{
"category": "external",
"summary": "Github Advisory Database vom 2023-12-21",
"url": "https://github.com/advisories/GHSA-j5jm-hg4x-w8rx"
},
{
"category": "external",
"summary": "Red Hat Bugzilla vom 2023-12-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255852"
},
{
"category": "external",
"summary": "Red Hat Bugzilla vom 2023-12-27",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255869"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2023:4981-1 vom 2023-12-28",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2023-December/017566.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS-2024-1908 vom 2024-01-23",
"url": "https://alas.aws.amazon.com/ALAS-2024-1908.html"
},
{
"category": "external",
"summary": "Amazon Linux Security Advisory ALAS-2024-2420 vom 2024-01-23",
"url": "https://alas.aws.amazon.com/AL2/ALAS-2024-2420.html"
},
{
"category": "external",
"summary": "Ubuntu Security Notice USN-6591-1 vom 2024-01-22",
"url": "https://ubuntu.com/security/notices/USN-6591-1"
},
{
"category": "external",
"summary": "Postfix Advisory vom 2024-01-22",
"url": "https://www.postfix.org/smtp-smuggling.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2024-C839E7294F vom 2024-01-03",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-c839e7294f"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2024-5C186175F2 vom 2024-01-03",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-5c186175f2"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:0012-1 vom 2024-01-02",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-January/017584.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:0743-1 vom 2024-03-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018086.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:0742-1 vom 2024-03-04",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-March/018087.html"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-EPEL-2024-8EB8988CB8 vom 2024-01-03",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-8eb8988cb8"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-EPEL-2024-9BC09085C7 vom 2024-01-03",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-9bc09085c7"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2024-1EF6197A49 vom 2024-01-03",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-1ef6197a49"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-2024-E0841C83BB vom 2024-01-03",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-2024-e0841c83bb"
},
{
"category": "external",
"summary": "Fedora Security Advisory FEDORA-EPEL-2024-54A5C04D0C vom 2024-01-03",
"url": "https://bodhi.fedoraproject.org/updates/FEDORA-EPEL-2024-54a5c04d0c"
},
{
"category": "external",
"summary": "Debian Security Advisory DSA-5597 vom 2024-01-04",
"url": "https://lists.debian.org/debian-security-announce/2024/msg00004.html"
},
{
"category": "external",
"summary": "SUSE Security Update SUSE-SU-2024:1149-1 vom 2024-04-08",
"url": "https://lists.suse.com/pipermail/sle-security-updates/2024-April/018274.html"
},
{
"category": "external",
"summary": "IBM Security Bulletin 7148150 vom 2024-04-11",
"url": "https://aix.software.ibm.com/aix/efixes/security/sendmail_advisory4.asc"
},
{
"category": "external",
"summary": "Debian Security Advisory DLA-3829 vom 2024-06-15",
"url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00004.html"
},
{
"category": "external",
"summary": "Dell Security Advisory DSA-2024-348 vom 2024-08-06",
"url": "https://www.dell.com/support/kbdoc/de-de/000227573/dsa-2024-348-security-update-for-dell-avamar-dell-networker-virtual-edition-nve-and-dell-powerprotect-dp-series-appliance-dell-integrated-data-protection-appliance-idpa-security-update-for-multiple-vulnerabilities"
},
{
"category": "external",
"summary": "Red Hat Security Advisory RHSA-2024:9243 vom 2024-11-12",
"url": "https://access.redhat.com/errata/RHSA-2024:9243"
}
],
"source_lang": "en-US",
"title": "SMTP Implementierungen: Schwachstelle erm\u00f6glicht Umgehen von Sicherheitsvorkehrungen",
"tracking": {
"current_release_date": "2024-11-11T23:00:00.000+00:00",
"generator": {
"date": "2026-07-16T16:57:02.411+00:00",
"engine": {
"name": "BSI-WID",
"version": "1.6.0"
}
},
"id": "WID-SEC-W-2023-3206",
"initial_release_date": "2023-12-21T23:00:00.000+00:00",
"revision_history": [
{
"date": "2023-12-21T23:00:00.000+00:00",
"number": "1",
"summary": "Initiale Fassung"
},
{
"date": "2023-12-26T23:00:00.000+00:00",
"number": "2",
"summary": "CVEs und Quellen erg\u00e4nzt."
},
{
"date": "2023-12-27T23:00:00.000+00:00",
"number": "3",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-01-02T23:00:00.000+00:00",
"number": "4",
"summary": "Neue Updates von Fedora und SUSE aufgenommen"
},
{
"date": "2024-01-03T23:00:00.000+00:00",
"number": "5",
"summary": "Neue Updates von Fedora aufgenommen"
},
{
"date": "2024-01-04T23:00:00.000+00:00",
"number": "6",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2024-01-07T23:00:00.000+00:00",
"number": "7",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2024-01-22T23:00:00.000+00:00",
"number": "8",
"summary": "Neue Updates von Amazon und Postfix aufgenommen"
},
{
"date": "2024-01-28T23:00:00.000+00:00",
"number": "9",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2024-01-30T23:00:00.000+00:00",
"number": "10",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2024-01-31T23:00:00.000+00:00",
"number": "11",
"summary": "Neue Updates von Ubuntu aufgenommen"
},
{
"date": "2024-02-05T23:00:00.000+00:00",
"number": "12",
"summary": "Neue Updates von Amazon aufgenommen"
},
{
"date": "2024-03-03T23:00:00.000+00:00",
"number": "13",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-04-08T22:00:00.000+00:00",
"number": "14",
"summary": "Neue Updates von SUSE aufgenommen"
},
{
"date": "2024-04-11T22:00:00.000+00:00",
"number": "15",
"summary": "Neue Updates von IBM aufgenommen"
},
{
"date": "2024-06-16T22:00:00.000+00:00",
"number": "16",
"summary": "Neue Updates von Debian aufgenommen"
},
{
"date": "2024-08-05T22:00:00.000+00:00",
"number": "17",
"summary": "Neue Updates von Dell aufgenommen"
},
{
"date": "2024-11-11T23:00:00.000+00:00",
"number": "18",
"summary": "Neue Updates von Red Hat aufgenommen"
}
],
"status": "final",
"version": "18"
}
},
"product_tree": {
"branches": [
{
"branches": [
{
"category": "product_name",
"name": "Amazon Linux 2",
"product": {
"name": "Amazon Linux 2",
"product_id": "398363",
"product_identification_helper": {
"cpe": "cpe:/o:amazon:linux_2:-"
}
}
}
],
"category": "vendor",
"name": "Amazon"
},
{
"branches": [
{
"category": "product_name",
"name": "Debian Linux",
"product": {
"name": "Debian Linux",
"product_id": "2951",
"product_identification_helper": {
"cpe": "cpe:/o:debian:debian_linux:-"
}
}
}
],
"category": "vendor",
"name": "Debian"
},
{
"branches": [
{
"category": "product_name",
"name": "Dell NetWorker",
"product": {
"name": "Dell NetWorker",
"product_id": "T024663",
"product_identification_helper": {
"cpe": "cpe:/a:dell:networker:-"
}
}
}
],
"category": "vendor",
"name": "Dell"
},
{
"branches": [
{
"category": "product_name",
"name": "EMC Avamar",
"product": {
"name": "EMC Avamar",
"product_id": "T014381",
"product_identification_helper": {
"cpe": "cpe:/a:emc:avamar:-"
}
}
}
],
"category": "vendor",
"name": "EMC"
},
{
"branches": [
{
"category": "product_name",
"name": "Fedora Linux",
"product": {
"name": "Fedora Linux",
"product_id": "74185",
"product_identification_helper": {
"cpe": "cpe:/o:fedoraproject:fedora:-"
}
}
}
],
"category": "vendor",
"name": "Fedora"
},
{
"branches": [
{
"branches": [
{
"category": "product_version",
"name": "7.3",
"product": {
"name": "IBM AIX 7.3",
"product_id": "1139691",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:aix:7.3"
}
}
},
{
"category": "product_version",
"name": "7.2",
"product": {
"name": "IBM AIX 7.2",
"product_id": "434967",
"product_identification_helper": {
"cpe": "cpe:/o:ibm:aix:7.2"
}
}
}
],
"category": "product_name",
"name": "AIX"
},
{
"branches": [
{
"category": "product_version",
"name": "3.1",
"product": {
"name": "IBM VIOS 3.1",
"product_id": "1039165",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:vios:3.1"
}
}
},
{
"category": "product_version",
"name": "4.1",
"product": {
"name": "IBM VIOS 4.1",
"product_id": "1522854",
"product_identification_helper": {
"cpe": "cpe:/a:ibm:vios:4.1"
}
}
}
],
"category": "product_name",
"name": "VIOS"
}
],
"category": "vendor",
"name": "IBM"
},
{
"branches": [
{
"category": "product_name",
"name": "Open Source Exim",
"product": {
"name": "Open Source Exim",
"product_id": "T007959",
"product_identification_helper": {
"cpe": "cpe:/a:exim:exim:-"
}
}
},
{
"branches": [
{
"category": "product_version_range",
"name": "\u003c3.9",
"product": {
"name": "Open Source Postfix \u003c3.9",
"product_id": "T031802"
}
},
{
"category": "product_version",
"name": "3.9",
"product": {
"name": "Open Source Postfix 3.9",
"product_id": "T031802-fixed",
"product_identification_helper": {
"cpe": "cpe:/a:postfix:postfix:3.9"
}
}
}
],
"category": "product_name",
"name": "Postfix"
},
{
"category": "product_name",
"name": "Open Source sendmail",
"product": {
"name": "Open Source sendmail",
"product_id": "T031803",
"product_identification_helper": {
"cpe": "cpe:/a:sendmail:sendmail:-"
}
}
}
],
"category": "vendor",
"name": "Open Source"
},
{
"branches": [
{
"category": "product_name",
"name": "Red Hat Enterprise Linux",
"product": {
"name": "Red Hat Enterprise Linux",
"product_id": "67646",
"product_identification_helper": {
"cpe": "cpe:/o:redhat:enterprise_linux:-"
}
}
}
],
"category": "vendor",
"name": "Red Hat"
},
{
"branches": [
{
"category": "product_name",
"name": "SUSE Linux",
"product": {
"name": "SUSE Linux",
"product_id": "T002207",
"product_identification_helper": {
"cpe": "cpe:/o:suse:suse_linux:-"
}
}
}
],
"category": "vendor",
"name": "SUSE"
},
{
"branches": [
{
"category": "product_name",
"name": "Ubuntu Linux",
"product": {
"name": "Ubuntu Linux",
"product_id": "T000126",
"product_identification_helper": {
"cpe": "cpe:/o:canonical:ubuntu_linux:-"
}
}
}
],
"category": "vendor",
"name": "Ubuntu"
}
]
},
"vulnerabilities": [
{
"cve": "CVE-2023-51764",
"product_status": {
"known_affected": [
"67646",
"434967",
"T007959",
"1039165",
"1522854",
"74185",
"1139691",
"T014381",
"2951",
"T002207",
"T000126",
"T024663",
"T031803",
"T031802",
"398363"
]
},
"release_date": "2023-12-21T23:00:00.000+00:00",
"title": "CVE-2023-51764"
},
{
"cve": "CVE-2023-51765",
"product_status": {
"known_affected": [
"67646",
"434967",
"T007959",
"1039165",
"1522854",
"74185",
"1139691",
"T014381",
"2951",
"T002207",
"T000126",
"T024663",
"T031803",
"T031802",
"398363"
]
},
"release_date": "2023-12-21T23:00:00.000+00:00",
"title": "CVE-2023-51765"
},
{
"cve": "CVE-2023-51766",
"product_status": {
"known_affected": [
"67646",
"434967",
"T007959",
"1039165",
"1522854",
"74185",
"1139691",
"T014381",
"2951",
"T002207",
"T000126",
"T024663",
"T031803",
"T031802",
"398363"
]
},
"release_date": "2023-12-21T23:00:00.000+00:00",
"title": "CVE-2023-51766"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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