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  5. CVE-2020-8945

CVE-2020-8945: Use After Free

May 18, 2021

The proglottis Go wrapper before 0.1.1 for the GPGME library has a use-after-free, as demonstrated by use for container image pulls by Docker or CRI-O. This leads to a crash or potential code execution during GPG signature verification.

References

  • github.com/advisories/GHSA-m6wg-2mwg-4rfq
  • github.com/containers/image/commit/4c7a23f82ef09127b0ff28366d1cf31316dd6cc1
  • github.com/proglottis/gpgme/commit/92153bcb59bd2f511e502262c46c7bd660e21733
  • github.com/proglottis/gpgme/compare/v0.1.0...v0.1.1
  • github.com/proglottis/gpgme/pull/23
  • nvd.nist.gov/vuln/detail/CVE-2020-8945

Code Behaviors & Features

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Affected versions

All versions before 0.1.1

Fixed versions

  • 0.1.1

Solution

Upgrade to version 0.1.1 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-416: Use After Free
  • CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Source file

go/github.com/proglottis/gpgme/CVE-2020-8945.yml

Spotted a mistake? Edit the file on GitLab.

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