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cve[email protected]CVE-2011-1926
HistoryMay 23, 2011 - 10:55 p.m.

CVE-2011-1926

2011-05-2322:55:00
CWE-264
web.nvd.nist.gov
47
cve-2011-1926
cyrus imap server
starttls
i/o buffering
man-in-the-middle attack
plaintext command injection
nvd

9.4 High

AI Score

Confidence

High

5.1 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

0.011 Low

EPSS

Percentile

84.1%

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.

References

9.4 High

AI Score

Confidence

High

5.1 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

0.011 Low

EPSS

Percentile

84.1%