Phil Pearl

Security Advisory on CCS Injection Vulnerability

By | June 9, 2014
On June 5, 2014 the OpenSSL project released a security advisory. CVE-2014-0224 can allow for a man-in-the-middle (MITM) attack to be carried out between a vulnerable client and vulnerable server. According to OpenSSL, an attacker using a carefully crafted handshake can force the use of weak keying material in OpenSSL SSL/TLS clients and servers. This can be exploited by a Man-in-the-middle (MITM) attack where the attacker can decrypt and modify traffic from the attacked client and server. The attack can only be performed between a vulnerable client *and* server. OpenSSL clients are vulnerable in all versions of OpenSSL. Servers are only known to be vulnerable in OpenSSL 1.0.… Read more »