https://seclists.org/oss-sec/2024/q2/229: New SMTP smuggling attack
Published May 8, 2024
·Updated
Affected Software
1 affected component
Postfix Postfix
Frequently Asked Questions
1
What is the severity of CVE-2023-51764?
CVE-2023-51764 has been classified as a high-severity vulnerability due to its potential to allow SMTP message smuggling.
2
How do I fix CVE-2023-51764?
To fix CVE-2023-51764, update your Postfix installation to the latest version that contains the patch.
3
What impact does CVE-2023-51764 have on email security?
CVE-2023-51764 can compromise email security by enabling attackers to bypass security mechanisms through message smuggling.
4
Is CVE-2023-51764 specific to any version of Postfix?
Yes, CVE-2023-51764 affects multiple versions of Postfix prior to the application of the security patches.
5
Can CVE-2023-51764 be exploited remotely?
Yes, CVE-2023-51764 can be exploited remotely, allowing attackers to send crafted SMTP messages to vulnerable Postfix servers.