Ubuntu alert USN-4574-1 (golang-github-seccomp-libseccomp-golang)

From:
             
 
Mike Salvatore <mike.salvatore@canonical.com>
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-4574-1] libseccomp-golang vulnerability
Date:
             
 
Wed, 07 Oct 2020 15:39:24 -0400
Message-ID:
             
 
<a06b0564-28f3-e4b2-bbec-e3a41abce28f@canonical.com>
==========================================================================
Ubuntu Security Notice USN-4574-1
October 07, 2020

golang-github-seccomp-libseccomp-golang vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS

Summary:

A system hardening measure could be bypassed.

Software Description:
- golang-github-seccomp-libseccomp-golang: a Go-based interface to the libseccomp library

Details:

It was discovered that libseccomp-golang did not properly generate BPFs. If
a process were running under a restrictive seccomp filter that specified
multiple syscall arguments, the application could potentially bypass the
intended restrictions put in place by seccomp.

Update instructions:

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

Ubuntu 16.04 LTS:
  golang-github-seccomp-libseccomp-golang-dev  0.0~git20150813.0.1b506fc-2+deb9u1build0.16.04.1

After a standard system update anything that depends on libseccomp-golang needs
to be rebuilt to make all the necessary changes.

References:
  https://usn.ubuntu.com/4574-1
  CVE-2017-18367

Package Information:

https://launchpad.net/ubuntu/+source/golang-github-seccom...

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