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  5. CVE-2021-30454

CVE-2021-30454: Uninitialized memory access in outer_cgi

August 25, 2021 (updated June 14, 2022)

An issue was discovered in the outer_cgi crate before 0.2.1 for Rust. A user-provided Read instance receives an uninitialized memory buffer from KeyValueReader.

References

  • github.com/SolraBizna/outer_cgi
  • github.com/SolraBizna/outer_cgi/commit/dd59b3066e616a08e756f72de8dc3ab11b7036c4
  • github.com/SolraBizna/outer_cgi/issues/1
  • github.com/advisories/GHSA-6vmq-jh76-hq43
  • nvd.nist.gov/vuln/detail/CVE-2021-30454
  • rustsec.org/advisories/RUSTSEC-2021-0051.html

Code Behaviors & Features

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Affected versions

All versions before 0.2.1

Fixed versions

  • 0.2.1

Solution

Upgrade to version 0.2.1 or above.

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-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

Source file

cargo/outer_cgi/CVE-2021-30454.yml

Spotted a mistake? Edit the file on GitLab.

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