https://seclists.org/oss-sec/2023/q4/339: New SMTP smuggling attack
Published Dec 26, 2023
·Updated
Affected Software
2 affected components
Sendmail Sendmail<=8.17.2
Sendmail Sendmail
Frequently Asked Questions
1
What is the severity of CVE-2023-51765?
CVE-2023-51765 is considered a high severity vulnerability due to its potential for SMTP smuggling attacks.
2
How do I fix CVE-2023-51765?
To mitigate CVE-2023-51765, upgrade Sendmail to version 8.17.3 or higher.
3
Which versions of Sendmail are affected by CVE-2023-51765?
CVE-2023-51765 affects Sendmail versions up to and including 8.17.2.
4
What are the implications of CVE-2023-51765?
CVE-2023-51765 can allow attackers to bypass security controls and potentially deliver malicious content.
5
Is there a workaround for CVE-2023-51765 if I cannot immediately upgrade?
There is no official workaround for CVE-2023-51765, and immediate upgrading is recommended to ensure security.