Friday, January 28, 2022

Ubuntu Security Notice USN-5064-2

Ubuntu Security Notice USN-5064-2
January 27, 2022

cpio vulnerability

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

- Ubuntu 16.04 ESM


GNU cpio could be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- cpio: a tool to manage archives of files


USN-5064-1 fixed vulnerabilities in GNU cpio. This update provides
the corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Maverick Chung and Qiaoyi Fang discovered that cpio incorrectly handled
certain pattern files. A remote attacker could use this issue to cause cpio
to crash, resulting in a denial of service, or possibly execute arbitrary

Update instructions:

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

Ubuntu 16.04 ESM:
cpio 2.11+dfsg-5ubuntu1.1+esm1

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


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