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.
No PoCs from references.
- https://github.com/ARPSyndicate/cve-scores
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/krlabs/eximsmtp-vulnerabilities
- https://github.com/michael-david-fry/CVE-2024-39929
- https://github.com/nomi-sec/PoC-in-GitHub
- https://github.com/plzheheplztrying/cve_monitor
- https://github.com/rxerium/CVE-2024-39929
- https://github.com/rxerium/stars