CVE-2024-39929
Exim MIME Filename Validation Remote Code Execution Vulnerability
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.
INFO
Published Date :
July 4, 2024, 3:15 p.m.
Last Modified :
July 9, 2024, 4:22 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.5
Exploitability Score :
2.8
Public PoC/Exploit Available at Github
CVE-2024-39929 has a 4 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-39929.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
POC to test CVE-2024-39929 against EXIM mail servers
Python
Detection method for Exim vulnerability CVE-2024-39929
A list of all of my starred repos, automated using Github Actions 🌟
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📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
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Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-39929 vulnerability anywhere in the article.
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The Cyber Express
Weekly Vulnerability Report: Cyble Urges Fixes in SolarWinds, Cisco, Ivanti & Microsoft
Cyble Research & Intelligence Labs (CRIL) researchers have analyzed more than 100 security vulnerabilities in the last two weeks, with flaws in IT products from SolarWinds, Cisco, Ivanti, Microsoft, E ... Read more
The following table lists the changes that have been made to the
CVE-2024-39929 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 09, 2024
Action Type Old Value New Value Added CVSS V3.1 CISA-ADP AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N -
CVE Received by [email protected]
Jul. 04, 2024
Action Type Old Value New Value Added 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. Added Reference MITRE https://git.exim.org/exim.git/commit/6ce5c70cff8989418e05d01fd2a57703007a6357 [No types assigned] Added Reference MITRE https://git.exim.org/exim.git/commit/1b3209b0577a9327ebb076f3b32b8a159c253f7b [No types assigned] Added Reference MITRE https://github.com/Exim/exim/compare/exim-4.98-RC2...exim-4.98-RC3 [No types assigned] Added Reference MITRE https://www.rfc-editor.org/rfc/rfc2231.txt [No types assigned] Added Reference MITRE https://bugs.exim.org/show_bug.cgi?id=3099#c4 [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-39929 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-39929
weaknesses.