National Cyber Awareness System
Vulnerability Summary for CVE-2011-1430
Original release date:03/16/2011
Last revised:03/17/2011
Source:
US-CERT/NIST
Overview
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.
Impact
CVSS Severity (version 2.0):
Impact Subscore:
6.4
Exploitability Subscore:
8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: 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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US-CERT Vulnerability Note: VU#MAPG-8DBRD4
Name: http://www.kb.cert.org/vuls/id/MAPG-8DBRD4
US-CERT Vulnerability Note: VU#555316
Name: VU#555316
External Source: XF
Name: multiple-starttls-command-execution(65932)
External Source: VUPEN
Name: ADV-2011-0609
Type: Advisory
External Source: BID
Name: 46767
External Source: OSVDB
Name: 71020
External Source: SECUNIA
Name: 43676
Type: Advisory
