CVE-2011-1430: Input Validation
The STARTTLS implementation in the server in Ipswitch IMail 11.03 and earlier does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-1430?
CVE-2011-1430 is rated as medium severity due to its potential to allow man-in-the-middle attacks.
How do I fix CVE-2011-1430?
To mitigate CVE-2011-1430, update to a version of Ipswitch IMail that is 11.04 or later.
What versions of Ipswitch IMail are affected by CVE-2011-1430?
CVE-2011-1430 affects Ipswitch IMail version 11.03 and earlier versions.
What kind of attack is possible due to CVE-2011-1430?
CVE-2011-1430 allows man-in-the-middle attackers to inject commands into encrypted SMTP sessions.
Is there a workaround for CVE-2011-1430 while upgrading?
While upgrading is recommended, temporarily limiting access to the email server can help mitigate the risk of CVE-2011-1430.