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CVE-2020-35880: Unsoundness in bigint

August 25, 2021

An issue was discovered in the bigint crate through 2020-05-07 for Rust. It allows a soundness violation.

References

  • github.com/advisories/GHSA-wgx2-6432-j3fw
  • github.com/paritytech/bigint
  • github.com/paritytech/bigint/commit/7e71521a61b009afc94c91135353102658550d42
  • github.com/rustsec/advisory-db/pull/290
  • nvd.nist.gov/vuln/detail/CVE-2020-35880
  • rustsec.org/advisories/RUSTSEC-2020-0025.html

Code Behaviors & Features

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Affected versions

All versions up to 4.4.3

Solution

Unfortunately, there is no solution available yet.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-704: Incorrect Type Conversion or Cast

Source file

cargo/bigint/CVE-2020-35880.yml

Spotted a mistake? Edit the file on GitLab.

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