CVE-2021-42343: Remote code execution in dask
(updated )
An issue was discovered in Dask (aka python-dask) through 2021.09.1. Single machine Dask clusters started with dask.distributed.LocalCluster or dask.distributed.Client (which defaults to using LocalCluster) would mistakenly configure their respective Dask workers to listen on external interfaces (typically with a randomly selected high port) rather than only on localhost. A Dask cluster created using this method (when running on a machine that has an applicable port exposed) could be used by a sophisticated attacker to achieve remote code execution.
References
- docs.dask.org/en/latest/changelog.html
- github.com/advisories/GHSA-j8fq-86c5-5v2r
- github.com/dask/dask/tags
- github.com/dask/distributed
- github.com/dask/distributed/commit/afce4be8e05fb180e50a9d9e38465f1a82295e1b
- github.com/dask/distributed/pull/5427
- github.com/dask/distributed/security/advisories/GHSA-hwqr-f3v9-hwxr
- github.com/pypa/advisory-database/tree/main/vulns/dask/PYSEC-2021-387.yaml
- nvd.nist.gov/vuln/detail/CVE-2021-42343
Code Behaviors & Features
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