CVE-2011-1926

CVE Details

Release Date:	2011-05-23
Impact:	Moderate	What is this?

Description

The STARTTLS implementation in Cyrus IMAP Server before 2.4.7 does not properly restrict I/O buffering, which allows man-in-the-middle attackers 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.

See more information about CVE-2011-1926 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v2 metrics

Base Score:	5.1
Vector String:	AV:N/AC:H/Au:N/C:P/I:P/A:P
Version:	2.0
Attack Vector:	Network
Attack Complexity:	High
Authentication:	None
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial

Errata information

Platform	Errata	Release Date
Oracle Enterprise Linux version 4 (cyrus-imapd)	ELSA-2011-0859	2011-06-08
Oracle Linux version 5 (cyrus-imapd)	ELSA-2011-0859	2011-06-08
Oracle Linux version 6 (cyrus-imapd)	ELSA-2011-0859	2011-06-08