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  5. CVE-2021-22569

CVE-2021-22569: Denial of Service

January 10, 2022 (updated April 18, 2023)

An issue in protobuf-java (JRuby gem) allowed the interleaving of com.google.protobuf.UnknownFieldSet fields in such a way that would be processed out of order. A small malicious payload can occupy the parser for several minutes by creating large numbers of short-lived objects that cause frequent, repeated pauses. We recommend upgrading libraries beyond the vulnerable versions.

References

  • www.openwall.com/lists/oss-security/2022/01/12/4
  • www.openwall.com/lists/oss-security/2022/01/12/7
  • bugs.chromium.org/p/oss-fuzz/issues/detail?id=39330
  • cloud.google.com/support/bulletins
  • github.com/advisories/GHSA-wrvw-hg22-4m67
  • github.com/protocolbuffers/protobuf/security/advisories/GHSA-wrvw-hg22-4m67
  • nvd.nist.gov/vuln/detail/CVE-2021-22569

Code Behaviors & Features

Detect and mitigate CVE-2021-22569 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 3.19.2

Fixed versions

  • 3.19.2

Solution

Upgrade to version 3.19.2 or above.

Impact 5.5 MEDIUM

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

Learn more about CVSS

Source file

gem/google-protobuf/CVE-2021-22569.yml

Spotted a mistake? Edit the file on GitLab.

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