ESB-2020.3566 – [Ubuntu] containerd: Access confidential data – Remote with user interaction

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.3566
                   USN-4589-1: containerd vulnerability
                              16 October 2020

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           containerd
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-15157  

Reference:         ESB-2020.3565

Original Bulletin: 
   https://usn.ubuntu.com/4589-1/

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USN-4589-1: containerd vulnerability
15 October 2020

containerd could be made to expose sensitive information over the
network.
Releases

  o Ubuntu 16.04 LTS

Packages

  o containerd - daemon to control containers

Details

It was discovered that containerd could be made to expose sensitive
information when processing URLs in container image manifests. A
remote attacker could use this to trick the user and obtain the
user's registry credentials.

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 16.04

  o containerd - 1.2.6-0ubuntu1~16.04.4

After a standard system update you need to restart containerd to make
all the necessary changes.

References

  o CVE-2020-15157

Related notices

  o USN-4589-2 : docker.io

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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
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                On call after hours for member emergencies only.
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