1. Ubuntu Security Notices
  2. USN-4176-1

USN-4176-1: GNU cpio vulnerability

Publication date

6 November 2019

Overview

GNU cpio could be used to privilege escalation if it received a specially crafted input.

Releases

Packages

  • cpio - a tool to manage archives of files

Details

Thomas Habets discovered that GNU cpio incorrectly handled certain inputs.
An attacker could possibly use this issue to privilege escalation.

Thomas Habets discovered that GNU cpio incorrectly handled certain inputs.
An attacker could possibly use this issue to privilege escalation.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
19.10 eoan cpio –  2.12+dfsg-9ubuntu0.1
19.04 disco cpio –  2.12+dfsg-6ubuntu0.19.04.1
18.04 bionic cpio –  2.12+dfsg-6ubuntu0.18.04.1
16.04 xenial cpio –  2.11+dfsg-5ubuntu1.1
14.04 trusty cpio –  2.11+dfsg-1ubuntu1.2+esm1  
12.04 precise cpio –  2.11-7ubuntu3.3

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References

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