{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "state": "PUBLISHED", "cveId": "CVE-2023-51766", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2024-08-02T22:48:11.092Z", "dateReserved": "2023-12-24T00:00:00", "datePublished": "2023-12-24T00:00:00" }, "containers": { "cna": { "providerMetadata": { "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2024-01-18T02:47:22.078412" }, "descriptions": [ { "lang": "en", "value": "Exim before 4.97.1 allows SMTP smuggling in certain PIPELINING/CHUNKING configurations. 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 Exim supports . but some other popular e-mail servers do not." } ], "affected": [ { "vendor": "n/a", "product": "n/a", "versions": [ { "version": "n/a", "status": "affected" } ] } ], "references": [ { "url": "https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/" }, { "url": "https://exim.org/static/doc/security/CVE-2023-51766.txt" }, { "url": "https://bugs.exim.org/show_bug.cgi?id=3063" }, { "url": "https://www.openwall.com/lists/oss-security/2023/12/23/2" }, { "name": "[oss-security] 20231224 Re: Re: New SMTP smuggling attack", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2023/12/24/1" }, { "name": "[oss-security] 20231225 Re: Re: New SMTP smuggling attack", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2023/12/25/1" }, { "url": "https://git.exim.org/exim.git/commit/5bb786d5ad568a88d50d15452aacc8404047e5ca" }, { "url": "https://git.exim.org/exim.git/commit/cf1376206284f2a4f11e32d931d4aade34c206c5" }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255852" }, { "url": "https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html" }, { "name": "[oss-security] 20231229 CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2023/12/29/2" }, { "url": "https://github.com/Exim/exim/blob/master/doc/doc-txt/cve-2023-51766" }, { "name": "[oss-security] 20240101 Re: CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2024/01/01/1" }, { "name": "[oss-security] 20240101 Re: CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2024/01/01/2" }, { "name": "[oss-security] 20240101 Re: CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list" ], "url": "http://www.openwall.com/lists/oss-security/2024/01/01/3" }, { "url": "https://www.youtube.com/watch?v=V8KPV96g1To" }, { "name": "[debian-lts-announce] 20240105 [SECURITY] [DLA 3708-1] exim4 security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00002.html" }, { "name": "FEDORA-2024-1ef6197a49", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QPDWHJPABVJCXDSNELSSVTIVAJU2MDUQ/" }, { "name": "FEDORA-2024-e0841c83bb", "tags": [ "vendor-advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORN7OKEQPPBKUHYRQ6LR5PSNBQVDHAWB/" }, { "url": "https://lwn.net/Articles/956533/" } ], "problemTypes": [ { "descriptions": [ { "type": "text", "lang": "en", "description": "n/a" } ] } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T22:48:11.092Z" }, "title": "CVE Program Container", "references": [ { "url": "https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/", "tags": [ "x_transferred" ] }, { "url": "https://exim.org/static/doc/security/CVE-2023-51766.txt", "tags": [ "x_transferred" ] }, { "url": "https://bugs.exim.org/show_bug.cgi?id=3063", "tags": [ "x_transferred" ] }, { "url": "https://www.openwall.com/lists/oss-security/2023/12/23/2", "tags": [ "x_transferred" ] }, { "name": "[oss-security] 20231224 Re: Re: New SMTP smuggling attack", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2023/12/24/1" }, { "name": "[oss-security] 20231225 Re: Re: New SMTP smuggling attack", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2023/12/25/1" }, { "url": "https://git.exim.org/exim.git/commit/5bb786d5ad568a88d50d15452aacc8404047e5ca", "tags": [ "x_transferred" ] }, { "url": "https://git.exim.org/exim.git/commit/cf1376206284f2a4f11e32d931d4aade34c206c5", "tags": [ "x_transferred" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2255852", "tags": [ "x_transferred" ] }, { "url": "https://fahrplan.events.ccc.de/congress/2023/fahrplan/events/11782.html", "tags": [ "x_transferred" ] }, { "name": "[oss-security] 20231229 CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2023/12/29/2" }, { "url": "https://github.com/Exim/exim/blob/master/doc/doc-txt/cve-2023-51766", "tags": [ "x_transferred" ] }, { "name": "[oss-security] 20240101 Re: CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/01/01/1" }, { "name": "[oss-security] 20240101 Re: CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/01/01/2" }, { "name": "[oss-security] 20240101 Re: CVE-2023-51766: Exim: SMTP smuggling", "tags": [ "mailing-list", "x_transferred" ], "url": "http://www.openwall.com/lists/oss-security/2024/01/01/3" }, { "url": "https://www.youtube.com/watch?v=V8KPV96g1To", "tags": [ "x_transferred" ] }, { "name": "[debian-lts-announce] 20240105 [SECURITY] [DLA 3708-1] exim4 security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2024/01/msg00002.html" }, { "name": "FEDORA-2024-1ef6197a49", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QPDWHJPABVJCXDSNELSSVTIVAJU2MDUQ/" }, { "name": "FEDORA-2024-e0841c83bb", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORN7OKEQPPBKUHYRQ6LR5PSNBQVDHAWB/" }, { "url": "https://lwn.net/Articles/956533/", "tags": [ "x_transferred" ] } ] } ] } }