CVE-2011-1926

Severity

51%

Complexity

49%

Confidentiality

106%

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.

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.

CVSS 2.0 Base Score 5.1. CVSS Attack Vector: network. CVSS Attack Complexity: high. CVSS Vector: (AV:N/AC:H/Au:N/C:P/I:P/A:P).

Overview

Type

Carnegie Mellon University Cyrus Imap Server

First reported 14 years ago

2011-05-23 22:55:00

Last updated 6 years ago

2018-10-30 16:26:00

Affected Software

Carnegie Mellon University Cyrus Imap Server 2.0.17

2.0.17

Carnegie Mellon University Cyrus Imap Server 2.1.16

2.1.16

Carnegie Mellon University Cyrus Imap Server 2.1.17

2.1.17

Carnegie Mellon University Cyrus Imap Server 2.1.18

2.1.18

Carnegie Mellon University Cyrus Imap Server 2.2.8

2.2.8

Carnegie Mellon University Cyrus Imap Server 2.2.9

2.2.9

Carnegie Mellon University Cyrus Imap Server 2.2.10

2.2.10

Carnegie Mellon University Cyrus Imap Server 2.2.11

2.2.11

Carnegie Mellon University Cyrus Imap Server 2.2.12

2.2.12

Carnegie Mellon University Cyrus Imap Server 2.2.13

2.2.13

Carnegie Mellon University Cyrus Imap Server 2.2.13p1

2.2.13p1

Carnegie Mellon University Cyrus Imap Server 2.3.0

2.3.0

Carnegie Mellon University Cyrus Imap Server 2.3.1

2.3.1

Carnegie Mellon University Cyrus Imap Server 2.3.2

2.3.2

Carnegie Mellon University Cyrus Imap Server 2.3.3

2.3.3

Carnegie Mellon University Cyrus Imap Server 2.3.4

2.3.4

Carnegie Mellon University Cyrus Imap Server 2.3.5

2.3.5

Carnegie Mellon University Cyrus Imap Server 2.3.6

2.3.6

Carnegie Mellon University Cyrus Imap Server 2.3.7

2.3.7

Carnegie Mellon University Cyrus Imap Server 2.3.8

2.3.8

Carnegie Mellon University Cyrus Imap Server 2.3.9

2.3.9

Carnegie Mellon University Cyrus Imap Server 2.3.10

2.3.10

Carnegie Mellon University Cyrus Imap Server 2.3.11

2.3.11

Carnegie Mellon University Cyrus Imap Server 2.3.12

2.3.12

Carnegie Mellon University Cyrus Imap Server 2.3.13

2.3.13

Carnegie Mellon University Cyrus Imap Server 2.3.14

2.3.14

Carnegie Mellon University Cyrus Imap Server 2.3.15

2.3.15

Carnegie Mellon University Cyrus Imap Server 2.3.16

2.3.16

Carnegie Mellon University Cyrus Imap Server 2.4.0

2.4.0

Carnegie Mellon University Cyrus Imap Server 2.4.1

2.4.1

Carnegie Mellon University Cyrus Imap Server 2.4.2

2.4.2

Carnegie Mellon University Cyrus Imap Server 2.4.3

2.4.3

Carnegie Mellon University Cyrus Imap Server 2.4.4

2.4.4

Carnegie Mellon University Cyrus Imap Server 2.4.5

2.4.5

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