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AUSCERT External Security Bulletin Redistribution
ESB-2020.1907
USN-4377-1: ca-certificates update
2 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: ca-certificates
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Reduced Security -- Existing Account
Resolution: Patch/Upgrade
Original Bulletin:
https://usn.ubuntu.com/4377-1/
https://usn.ubuntu.com/4377-2/
Comment: This bulletin contains two (2) Ubuntu security advisories.
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USN-4377-1: ca-certificates update
1 June 2020
ca-certificates update
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 20.04 LTS
o Ubuntu 19.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
Summary
An expired certificate was removed from ca-certificates.
Software Description
o ca-certificates - Common CA certificates
Details
The ca-certificates package contained an expired CA certificate that caused
connectivity issues. This update removes the "AddTrust External Root" CA.
In addition, on Ubuntu 16.04 LTS and Ubuntu 18.04 LTS, this update refreshes
the included certificates to those contained in the 20190110 package.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04 LTS
ca-certificates - 20190110ubuntu1.1
Ubuntu 19.10
ca-certificates - 20190110ubuntu0.19.10.1
Ubuntu 18.04 LTS
ca-certificates - 20190110~18.04.1
Ubuntu 16.04 LTS
ca-certificates - 20190110~16.04.1
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
o LP: 1881533
- --------------------------------------------------------------------------------
USN-4377-2: ca-certificates update
1 June 2020
ca-certificates update
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
An expired certificate was removed from ca-certificates.
Software Description
o ca-certificates - Common CA certificates
Details
USN-4377-1 updated ca-certificates. This update provides the corresponding
update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
The ca-certificates package contained an expired CA certificate that caused
connectivity issues. This update removes the "AddTrust External Root" CA.
In addition, on Ubuntu 12.04 ESM and Ubuntu 14.04 ESM, this update refreshes
the included certificates to those contained in the 20190110 package.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 14.04 ESM
ca-certificates - 20190110~14.04.1~esm1
Ubuntu 12.04 ESM
ca-certificates - 20190110~12.04.1
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
o USN-4377-1
o LP: XXXXXX
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===========================================================================
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The University of Queensland
Brisbane
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Internet Email: auscert@auscert.org.au
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