National Vulnerability Database

National Vulnerability Database

National Vulnerability

CVE-2011-0411 Detail


The STARTTLS implementation in Postfix 2.4.x before 2.4.16, 2.5.x before 2.5.12, 2.6.x before 2.6.9, and 2.7.x before 2.7.3 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.

Source:  MITRE      Last Modified:  03/16/2011

Quick Info

CVE Dictionary Entry:
Original release date:
Last revised:


CVSS Severity (version 2.0):
CVSS v2 Base Score:
(AV:N/AC:M/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore:
Exploitability Subscore:
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name External Source CONFIRM External Source APPLE APPLE-SA-2011-10-12-3 External Source FEDORA FEDORA-2011-3394 External Source FEDORA FEDORA-2011-3355 External Source SUSE SUSE-SR:2011:009 External Source GENTOO GLSA-201206-33 External Source SECTRACK 1025179 External Source CONFIRM External Source DEBIAN DSA-2233 US Government Resource External Source CERT-VN VU#555316 US Government Resource External Source CONFIRM External Source CONFIRM Exploit; Vendor Advisory External Source CONFIRM External Source REDHAT RHSA-2011:0422 External Source REDHAT RHSA-2011:0423 External Source BID 46767 Vendor Advisory External Source VUPEN ADV-2011-0611 External Source VUPEN ADV-2011-0752 External Source VUPEN ADV-2011-0891 External Source XF multiple-starttls-command-execution(65932)

Technical Details

Vulnerability Type (View All)

  • Permissions, Privileges, and Access Control (CWE-264)

Change History 4 change records found - show changes