fkie_cve-2024-39929
Vulnerability from fkie_nvd
Published
2024-07-04 15:15
Modified
2025-07-10 22:15
Severity ?
Summary
Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechanism, and potentially deliver executable attachments to the mailboxes of end users.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*",
"matchCriteriaId": "067D683A-5A3E-4B3D-86A4-4BB405D84A7D",
"versionEndIncluding": "4.97.1",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechanism, and potentially deliver executable attachments to the mailboxes of end users."
},
{
"lang": "es",
"value": "Exim hasta la versi\u00f3n 4.97.1 analiza err\u00f3neamente un nombre de archivo de encabezado RFC 2231 multil\u00ednea y, por lo tanto, atacantes remotos pueden eludir un mecanismo de protecci\u00f3n de bloqueo de extensi\u00f3n $mime_filename y potencialmente entregar archivos adjuntos ejecutables a los buzones de correo de los usuarios finales."
}
],
"id": "CVE-2024-39929",
"lastModified": "2025-07-10T22:15:25.230",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 2.5,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2024-07-04T15:15:10.323",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://bugs.exim.org/show_bug.cgi?id=3099#c4"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b"
},
{
"source": "cve@mitre.org",
"tags": [
"Patch"
],
"url": "https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357"
},
{
"source": "cve@mitre.org",
"tags": [
"Release Notes"
],
"url": "https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3"
},
{
"source": "cve@mitre.org",
"tags": [
"Not Applicable"
],
"url": "https://www.rfc-editor.org/rfc/rfc2231.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://bugs.exim.org/show_bug.cgi?id=3099#c4"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Release Notes"
],
"url": "https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Not Applicable"
],
"url": "https://www.rfc-editor.org/rfc/rfc2231.txt"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-116"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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