CVE-2024-27305 – aiosmtpd

Package

Manager: pip
Name: aiosmtpd
Vulnerable Version: >=0 <1.4.5

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N

EPSS: 0.00563 pctl0.67414

Details

aiosmtpd vulnerable to SMTP smuggling ### Summary aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel vulnerability based on not so novel interpretation differences of the SMTP protocol. By exploiting SMTP smuggling, an attacker may send smuggle/spoof e-mails with fake sender addresses, allowing advanced phishing attacks. This issue also existed in other SMTP software like Postfix (https://www.postfix.org/smtp-smuggling.html). ### Details Detailed information on SMTP smuggling can be found in the full blog post (https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide/) or on the Postfix homepage (https://www.postfix.org/smtp-smuggling.html). (and soon on the official website https://smtpsmuggling.com/) ### Impact With the right SMTP server constellation, an attacker can send spoofed e-mails to inbound/receiving aiosmtpd instances.

Metadata

Created: 2024-03-13T15:33:14Z
Modified: 2025-01-22T18:45:42Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/03/GHSA-pr2m-px7j-xg65/GHSA-pr2m-px7j-xg65.json
CWE IDs: ["CWE-345"]
Alternative ID: GHSA-pr2m-px7j-xg65
Finding: F204
Auto approve: 1