cve/2014/CVE-2014-3511.md

CVE-2014-3511

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.

POC

Reference

• http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-372998.htm

Github

• https://github.com/ARPSyndicate/cvemon
• https://github.com/Ypnose/ahrf
• https://github.com/chnzzh/OpenSSL-CVE-lib
• https://github.com/jumanjihouse/oval
• https://github.com/jumanjihouse/wormhole