USN-4176-1: GNU cpio vulnerability

  • Thread starter Ubuntu security notices
  • Start date

Ubuntu security notices

cpio vulnerability

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

  • Ubuntu 19.10
  • Ubuntu 19.04
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM

GNU cpio could be made to expose sensitive information if it received a specially crafted input.

Software Description

  • cpio - a tool to manage archives of files

Thomas Habets discovered that GNU cpio incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information.

Update instructions

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

Ubuntu 19.10
cpio - 2.12+dfsg-9ubuntu0.1
Ubuntu 19.04
cpio - 2.12+dfsg-6ubuntu0.19.04.1
Ubuntu 18.04 LTS
cpio - 2.12+dfsg-6ubuntu0.18.04.1
Ubuntu 16.04 LTS
cpio - 2.11+dfsg-5ubuntu1.1
Ubuntu 14.04 ESM
cpio - 2.11+dfsg-1ubuntu1.2+esm1
Ubuntu 12.04 ESM
cpio - 2.11-7ubuntu3.3

To update your system, please follow these instructions:

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


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