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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.

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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.

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

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Further reading