medium5.4
CVE-2024-39929
Exim through 4.97.1 misparses a multiline RFC 2231 header filename, and thus remote attackers can bypass a $mime_filename extension-blocking protection mechani…
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Exim | Exim | through 4.97.1 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugs.exim.org/show_bug.cgi?id=3099#c4
- https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b
- https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357
- 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
- https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b
- https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357
- https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3
- https://www.rfc-editor.org/rfc/rfc2231.txt