Cryptographic Issues Affecting openssl package, versions >=1.0.0, <1.0.111

  • Attack Complexity


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  • snyk-id


  • published

    2 Oct 2019

  • disclosed

    24 Oct 2014

  • credit


How to fix?

Upgrade OpenSSL to version 1.0.111 or higher.


OpenSSL is a SSL/TLS and Crypto toolkit. Deprecated in Mac OS and gone in iOS, this spec gives your project non-deprecated OpenSSL support.

Affected versions of this package are vulnerable to Cryptographic Issues. OpenSSL is vulnerable to ECDHE-to-ECDH downgrade attacks. This is due to a flaw in ssl3_get_key_exchange which allows attackers to trigger a loss of forward secrecy to omitting the ServerKeyExchange message.