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Exim: Incorrect parsing of multiline rfc2231 header filename (CVE-2024-39929)

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Exim: Incorrect parsing of multiline rfc2231 header filename (CVE-2024-39929)

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
07/04/2024
Created
08/02/2024
Added
07/31/2024
Modified
07/31/2024

Description

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.

Solution(s)

  • exim-upgrade-latest

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