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USN-4856-1: docker-credential-helpers vulnerability

15 March 2021

docker-credential-helpers could be made to crash if it received specially crafted input.

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Releases

Packages

Details

Jasiel Spelman discovered that docker-credential-helpers has a double free. A
local attacker could use this to cause a denial of service (crash) or possibly
execute arbitrary code.

Reduce your security exposure

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 18.04

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

References

Related notices

  • USN-4103-1: golang-github-docker-docker-credential-helpers, golang-docker-credential-helpers
  • USN-4103-2: docker-doc, golang-github-docker-docker-dev, docker.io, vim-syntax-docker, golang-docker-dev