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             AUSCERT External Security Bulletin Redistribution

                               ESB-2021.1272
                   USN-4913-1: Underscore vulnerability
                               15 April 2021

===========================================================================

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

Product:           Underscore
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Execute Arbitrary Code/Commands -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2021-23358  

Reference:         ESB-2021.1126
                   ESB-2021.1113

Original Bulletin: 
   https://ubuntu.com/security/notices/USN-4913-1

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USN-4913-1: Underscore vulnerability
14 April 2021

Underscore could be made to inject arbitrary code if it received a specially
crafted input.
Releases

  o Ubuntu 20.10
  o Ubuntu 20.04 LTS
  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS
  o Ubuntu 14.04 ESM

Packages

  o underscore - None

Details

It was discovered that Underscore incorrectly handled certain inputs.
An attacker could possibly use this issue to inject arbitrary code.

Update instructions

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

Ubuntu 20.10

  o libjs-underscore - 1.9.1~dfsg-1ubuntu0.20.10.1
  o node-underscore - 1.9.1~dfsg-1ubuntu0.20.10.1

Ubuntu 20.04

  o libjs-underscore - 1.9.1~dfsg-1ubuntu0.20.04.1
  o node-underscore - 1.9.1~dfsg-1ubuntu0.20.04.1

Ubuntu 18.04

  o libjs-underscore - 1.8.3~dfsg-1ubuntu0.1
  o node-underscore - 1.8.3~dfsg-1ubuntu0.1

Ubuntu 16.04

  o libjs-underscore - 1.7.0~dfsg-1ubuntu1.1
  o node-underscore - 1.7.0~dfsg-1ubuntu1.1

Ubuntu 14.04

  o libjs-underscore - 1.4.4-2ubuntu1+esm1
  o node-underscore - 1.4.4-2ubuntu1+esm1

In general, a standard system update will make all the necessary changes.

References

  o CVE-2021-23358

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