National Cyber Awareness System

Vulnerability Summary for CVE-2011-0411

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Vulnerability Note: VU#MORO-8ELH6Z

Name: http://www.kb.cert.org/vuls/id/MORO-8ELH6Z

Hyperlink:http://www.kb.cert.org/vuls/id/MORO-8ELH6Z

US-CERT Vulnerability Note: VU#555316

Name: VU#555316

Hyperlink:http://www.kb.cert.org/vuls/id/555316

External Source: XF

Name: multiple-starttls-command-execution(65932)

Hyperlink:http://xforce.iss.net/xforce/xfdb/65932

External Source: VUPEN

Name: ADV-2011-0891

Hyperlink:http://www.vupen.com/english/advisories/2011/0891

External Source: VUPEN

Name: ADV-2011-0752

Hyperlink:http://www.vupen.com/english/advisories/2011/0752

External Source: VUPEN

Name: ADV-2011-0611

Type: Advisory

Hyperlink:http://www.vupen.com/english/advisories/2011/0611

External Source: BID

Name: 46767

Hyperlink:http://www.securityfocus.com/bid/46767

External Source: REDHAT

Name: RHSA-2011:0423

Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-0423.html

External Source: REDHAT

Name: RHSA-2011:0422

Hyperlink:http://www.redhat.com/support/errata/RHSA-2011-0422.html

External Source: CONFIRM

Name: http://www.postfix.org/CVE-2011-0411.html

Type: Advisory; Exploit

Hyperlink:http://www.postfix.org/CVE-2011-0411.html

External Source: OSVDB

Name: 71021

Hyperlink:http://www.osvdb.org/71021

External Source: CONFIRM

Name: http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html

Hyperlink:http://www.oracle.com/technetwork/topics/security/cpuapr2011-301950.html

External Source: DEBIAN

Name: DSA-2233

Hyperlink:http://www.debian.org/security/2011/dsa-2233

External Source: CONFIRM

Name: http://support.apple.com/kb/HT5002

Hyperlink:http://support.apple.com/kb/HT5002

External Source: SECTRACK

Name: 1025179

Hyperlink:http://securitytracker.com/id?1025179

External Source: GENTOO

Name: GLSA-201206-33

Hyperlink:http://security.gentoo.org/glsa/glsa-201206-33.xml

External Source: SECUNIA

Name: 43874

Hyperlink:http://secunia.com/advisories/43874

External Source: SECUNIA

Name: 43646

Type: Advisory

Hyperlink:http://secunia.com/advisories/43646

External Source: FEDORA

Name: FEDORA-2011-3355

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056560.html

External Source: FEDORA

Name: FEDORA-2011-3394

Hyperlink:http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056559.html

External Source: APPLE

Name: APPLE-SA-2011-10-12-3

Hyperlink:http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html