CVE-2016-1000352

In the Bouncy Castle JCE Provider version 1.55 and earlier the ECIES implementation allowed the use of ECB mode. This mode is regarded as unsafe and support for it has been removed from the provider...

CVE-2016-1000345

In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES/ECIES CBC mode vulnerable to padding oracle attack. For BC 1.55 and older, in an environment where timings can be easily observed, it is possible with enough observations to identify when the decryption is failing due to padding...

UBUNTU-CVE-2016-1000345

In the Bouncy Castle JCE Provider version 1.55 and earlier the DHIES/ECIES CBC mode vulnerable to padding oracle attack. For BC 1.55 and older, in an environment where timings can be easily observed, it is possible with enough observations to identify when the decryption is failing due to padding...

Unsafe Encryption Scheme

bouncycastle allows for the use of electronic code book ECB mode with Elliptical Curve Integrated Encryption Scheme ECIES. The use of ECB is generally unsafe because it is susceptible to replay attacks...