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Ubuntu: USN-3727-1 (CVE-2016-1000343): Bouncy Castle vulnerabilities

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Ubuntu: USN-3727-1 (CVE-2016-1000343): Bouncy Castle vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
06/04/2018
Created
03/19/2019
Added
08/08/2018
Modified
05/03/2019

Description

In the Bouncy Castle JCE Provider version 1.55 and earlier the DSA key pair generator generates a weak private key if used with default values. If the JCA key pair generator is not explicitly initialised with DSA parameters, 1.55 and earlier generates a private value assuming a 1024 bit key size. In earlier releases this can be dealt with by explicitly passing parameters to the key pair generator.

Solution(s)

  • ubuntu-upgrade-libbcmail-java
  • ubuntu-upgrade-libbcpg-java
  • ubuntu-upgrade-libbcpkix-java
  • ubuntu-upgrade-libbcprov-java

References

  • USN-3727-1
  • RHSA-2018:2669
  • RHSA-2018:2927
  • CVE-2016-1000343

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