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  5. CVE-2020-35899

CVE-2020-35899: Use after free in actix-service

August 25, 2021

An issue was discovered in the actix-service crate before 1.0.6 for Rust. The Cell implementation allows obtaining more than one mutable reference to the same data.

References

  • github.com/actix/actix-net
  • github.com/actix/actix-net/pull/158
  • github.com/advisories/GHSA-whc7-5p35-4ww2
  • nvd.nist.gov/vuln/detail/CVE-2020-35899
  • rustsec.org/advisories/RUSTSEC-2020-0046.html

Code Behaviors & Features

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Affected versions

All versions before 1.0.6

Fixed versions

  • 1.0.6

Solution

Upgrade to version 1.0.6 or above.

Impact 5.5 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-416: Use After Free

Source file

cargo/actix-service/CVE-2020-35899.yml

Spotted a mistake? Edit the file on GitLab.

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