[USN-3727-1] Bouncy Castle vulnerabilities

Marc Deslauriers marc.deslauriers at canonical.com
Wed Aug 1 15:56:02 UTC 2018

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


Several security issues were fixed in Bouncy Castle.

Software Description:
- bouncycastle: Java implementation of cryptographic algorithms


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.

  CVE-2015-6644, CVE-2015-7940, CVE-2016-1000338, CVE-2016-1000339,
  CVE-2016-1000341, CVE-2016-1000342, CVE-2016-1000343, CVE-2016-1000345,

Package Information:

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