CVE-2021-41641: Link Following in Deno

June 13, 2022 (updated June 23, 2022)

Deno <=1.14.0 file sandbox does not handle symbolic links correctly. When running Deno with specific write access, the Deno.symlink method can be used to gain access to any directory.

References

github.com/advisories/GHSA-67hm-27mx-9cg7
github.com/denoland/deno/commit/d44011a69e0674acfa9c59bd7ad7f0523eb61d42
github.com/denoland/deno/issues/12152
github.com/denoland/deno/pull/12554
hackers.report/report/614876917a7b150012836bb8
nvd.nist.gov/vuln/detail/CVE-2021-41641

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