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OpenSSL OpenSSL TLS protocol downgrade attack (CVE-2014-3511)

Severity CVSS Published Added Modified
4 (AV:N/AC:M/Au:N/C:N/I:P/A:N) August 08, 2014 August 08, 2014 January 09, 2017

Description

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.

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References

Solution

http-openssl-1_0_1-upgrade-1_0_1_i

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