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ubuntucveUbuntu.comUB:CVE-2014-3511
HistoryAug 07, 2014 - 12:00 a.m.

CVE-2014-3511

2014-08-0700:00:00
ubuntu.com
ubuntu.com
11

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.007 Low

EPSS

Percentile

80.3%

The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 1.0.1 before
1.0.1i allows man-in-the-middle attackers to force the use of TLS 1.0 by
triggering ClientHello message fragmentation in communication between a
client and server that both support later TLS versions, related to a
“protocol downgrade” issue.

OSVersionArchitecturePackageVersionFilename
ubuntu12.04noarchopenssl< 1.0.1-4ubuntu5.17UNKNOWN
ubuntu14.04noarchopenssl< 1.0.1f-1ubuntu2.5UNKNOWN

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

0.007 Low

EPSS

Percentile

80.3%