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)

Vendor: Kerio
Product: Connect 
Version: 7.1.4;
Product: Kerio mailserver 
Version:
6.7.3
6.7.2
6.7.1
6.7.0
6.6.2
6.6.1
6.6.0
6.5.2
6.5.1
6.5.0
6.4.2
6.4.1
6.4.0
6.3.1_p2
6.3.1_p1
6.3.1
6.3.0
6.2.2
6.2.1
6.2.0
6.1.4
6.1.3_patch_1
6.1.3
6.1.2
6.1.1
6.0.9
6.0.8
6.0.7
6.0.6
6.0.5
6.0.4
6.0.3
6.0.2
6.0.10
6.0.1
6.0.0
6.0
5.7.9
5.7.8
5.7.7
5.7.6
5.7.5
5.7.4
5.7.3
5.7.2
5.7.10
5.7.1
5.7.0
5.6.5
5.6.4
5.6.3
5.1.1
5.1
5.0

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

 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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