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CVE-2020-35876: Use after free in rio

August 25, 2021

An issue was discovered in the rio crate through 2020-05-11 for Rust. A struct can be leaked, allowing attackers to obtain sensitive information, cause a use-after-free, or cause a data race.

References

  • github.com/advisories/GHSA-8rc5-mr4f-m243
  • github.com/spacejam/rio
  • github.com/spacejam/rio/issues/11
  • github.com/spacejam/rio/pull/31
  • nvd.nist.gov/vuln/detail/CVE-2020-35876
  • rustsec.org/advisories/RUSTSEC-2020-0021.html

Code Behaviors & Features

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Affected versions

All versions up to 0.9.4

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-416: Use After Free
  • CWE-772: Missing Release of Resource after Effective Lifetime

Source file

cargo/rio/CVE-2020-35876.yml

Spotted a mistake? Edit the file on GitLab.

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