OpenSSL 安全通報連發...

熱騰騰的「OpenSSL Security Advisory [05 Jun 2014]」:

  • SSL/TLS MITM vulnerability (CVE-2014-0224)
  • DTLS recursion flaw (CVE-2014-0221)
  • DTLS invalid fragment vulnerability (CVE-2014-0195)
  • SSL_MODE_RELEASE_BUFFERS NULL pointer dereference (CVE-2014-0198)
  • SSL_MODE_RELEASE_BUFFERS session injection or denial of service (CVE-2010-5298)
  • Anonymous ECDH denial of service (CVE-2014-3470)

這太熱鬧了,第一個 security issue 可以在 MITM 的情況下,強迫選用比較差的 cipher:

An attacker using a carefully crafted handshake can force the use of weak keying material in OpenSSL SSL/TLS clients and servers.


A buffer overrun attack can be triggered by sending invalid DTLS fragments to an OpenSSL DTLS client or server. This is potentially exploitable to run arbitrary code on a vulnerable client or server.

接下來幾天對 SA 來說又是無止盡的升級地獄...

One thought on “OpenSSL 安全通報連發...”

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