CVE-2024-39929
5.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | n/a | n/a | affected |
Weaknesses
- n/a
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
CVE Program Container
Additional References
- https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357
- https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b
- https://github.com/Exim/exim/compare/exim-4.98-RC2…exim-4.98-RC3
- https://www.rfc-editor.org/rfc/rfc2231.txt
- https://bugs.exim.org/show_bug.cgi?id=3099#c4
References
- https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357
- https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b
- https://github.com/Exim/exim/compare/exim-4.98-RC2…exim-4.98-RC3
- https://www.rfc-editor.org/rfc/rfc2231.txt
- https://bugs.exim.org/show_bug.cgi?id=3099#c4
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