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AUSCERT External Security Bulletin Redistribution
ESB-2018.2244
Bouncy Castle vulnerabilities
2 August 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: bouncycastle
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Access Privileged Data -- Remote/Unauthenticated
Provide Misleading Information -- Remote/Unauthenticated
Reduced Security -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2016-1000346 CVE-2016-1000345 CVE-2016-1000343
CVE-2016-1000342 CVE-2016-1000341 CVE-2016-1000339
CVE-2016-1000338 CVE-2015-7940 CVE-2015-6644
Reference: ASB-2018.0174
ASB-2018.0164
ASB-2018.0159
ASB-2018.0083
ASB-2018.0027
ESB-2018.1969
Original Bulletin:
http://www.ubuntu.com/usn/usn-3727-1
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USN-3727-1: Bouncy Castle vulnerabilities
1 August 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
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
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
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