Vulnerability CVE-2011-1506


Published: 2011-03-22   Modified: 2012-02-13

Description:
The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x 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. NOTE: some of these details are obtained from third party information.

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Kerio -> Connect 
Kerio -> Kerio mailserver 

 References:
http://www.kb.cert.org/vuls/id/MAPG-8D9M4P
http://www.kb.cert.org/vuls/id/555316
http://xforce.iss.net/xforce/xfdb/65932
http://www.vupen.com/english/advisories/2011/0610
http://www.securityfocus.com/bid/46767
http://secunia.com/advisories/43678

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