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Ubuntu Security Notice USN-3727-1

Ubuntu Security Notice USN-3727-1
Posted Aug 1, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3727-1 - 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.

tags | advisory, remote, crypto
systems | linux, ubuntu
advisories | CVE-2015-6644, CVE-2016-1000341, CVE-2016-1000346
MD5 | 6c82547bd80b4fdc261181f54ff1ebb8

Ubuntu Security Notice USN-3727-1

Change Mirror Download
==========================================================================
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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