6.8
CVSSv2

CVE-2012-3523

Published: 11/11/2012 Updated: 22/02/2013
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Summary

The STARTTLS implementation in nnrpd in INN prior to 2.5.3 does not properly restrict I/O buffering, which allows man-in-the-middle malicious users to insert commands into encrypted 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.

Vulnerability Trend

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isc inn 1.4sec

isc inn 1.5.1

isc inn 2.0

isc inn 2.2.3

isc inn 1.7

isc inn 1.4unoff4

isc inn 2.4.0

isc inn 2.2.1

isc inn 1.4sec2

isc inn 1.4unoff3

isc inn 1.4

isc inn 2.2

isc inn 1.7.2

isc inn

isc inn 1.5

isc inn 2.1

isc inn 2.2.2

Vendor Advisories

Debian Bug report logs - #685581 inn: CVE-2012-3523 prone to STARTTLS plaintext command injection Package: inn2; Maintainer for inn2 is Marco d'Itri <md@linuxit>; Source for inn2 is src:inn2 (PTS, buildd, popcon) Reported by: Henri Salo <henri@nervfi> Date: Wed, 22 Aug 2012 05:39:02 UTC Severity: grave Fixed in ...