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USN-5064-2: GNU cpio vulnerability

27 January 2022

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

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Releases

Packages

  • cpio - a tool to manage archives of files

Details

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
code.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 16.04

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

References

Related notices

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Further reading