6.8
CVSSv2

CVE-2011-1431

Published: 16/03/2011 Updated: 17/08/2017
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

The STARTTLS implementation in qmail-smtpd.c in qmail-smtpd in the netqmail-1.06-tls patch for netqmail 1.06 does not properly restrict I/O buffering, which allows man-in-the-middle malicious users 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.

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frederik vermeulen netqmail 1.06

Vendor Advisories

Debian Bug report logs - #652378 CVE-2011-1431 in TLS patch Package: src:qmail; Maintainer for src:qmail is Gerrit Pape <pape@smardenorg>; Reported by: Moritz Muehlenhoff <jmm@debianorg> Date: Fri, 16 Dec 2011 21:00:12 UTC Severity: serious Tags: security Fixed in version 103-493+rm Done: Debian FTP Masters &lt ...