CVE-2024-39929

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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 mechanism, and potentially deliver executable attachments to the mailboxes of end users.

5.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://bugs.exim.org/show_bug.cgi?id=3099#c4 Exploit Vendor Advisory
https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b Patch
https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357 Patch
https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3 Release Notes
https://www.rfc-editor.org/rfc/rfc2231.txt Not Applicable
https://bugs.exim.org/show_bug.cgi?id=3099#c4 Exploit Vendor Advisory
https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b Patch
https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357 Patch
https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3 Release Notes
https://www.rfc-editor.org/rfc/rfc2231.txt Not Applicable
Configurations

Configuration 1 (hide)

cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
History

10 Jul 2025, 22:15

Type Values Removed Values Added
CPE cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
First Time Exim exim
Exim
References () https://bugs.exim.org/show_bug.cgi?id=3099#c4 - () https://bugs.exim.org/show_bug.cgi?id=3099#c4 - Exploit, Vendor Advisory
References () https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b - () https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b - Patch
References () https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357 - () https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357 - Patch
References () https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3 - () https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3 - Release Notes
References () https://www.rfc-editor.org/rfc/rfc2231.txt - () https://www.rfc-editor.org/rfc/rfc2231.txt - Not Applicable

18 Mar 2025, 16:15

Type Values Removed Values Added
CWE CWE-116
Information

Published : 2024-07-04 15:15

Updated : 2025-07-10 22:15

NVD link : CVE-2024-39929

Mitre link : CVE-2024-39929

CVE.ORG link : CVE-2024-39929

JSON object : View

Products Affected

exim

  • exim
CWE
CWE-116

Improper Encoding or Escaping of Output