[USN-3727-1] Bouncy Castle vulnerabilities

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[USN-3727-1] Bouncy Castle vulnerabilities

Marc Deslauriers-3
==========================================================================
Ubuntu Security Notice USN-3727-1
August 01, 2018

bouncycastle vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in Bouncy Castle.

Software Description:
- bouncycastle: Java implementation of cryptographic algorithms

Details:

It was discovered that Bouncy Castle incorrectly handled certain crypto
algorithms. A remote attacker could possibly use these issues to obtain
sensitive information, including private keys.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
  libbcmail-java                  1.49+dfsg-2ubuntu0.1
  libbcpg-java                    1.49+dfsg-2ubuntu0.1
  libbcpkix-java                  1.49+dfsg-2ubuntu0.1
  libbcprov-java                  1.49+dfsg-2ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
  https://usn.ubuntu.com/usn/usn-3727-1
  CVE-2015-6644, CVE-2015-7940, CVE-2016-1000338, CVE-2016-1000339,
  CVE-2016-1000341, CVE-2016-1000342, CVE-2016-1000343, CVE-2016-1000345,
  CVE-2016-1000346

Package Information:
  https://launchpad.net/ubuntu/+source/bouncycastle/1.49+dfsg-2ubuntu0.1


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