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CVE-2021-30468: Uncontrolled Resource Consumption

June 16, 2021 (updated November 7, 2023)

A vulnerability in the JsonMapObjectReaderWriter of Apache CXF allows an attacker to submit malformed JSON to a web service, which results in the thread getting stuck in an infinite loop, consuming CPU indefinitely.

References

  • cxf.apache.org/security-advisories.data/CVE-2021-30468.txt.asc
  • nvd.nist.gov/vuln/detail/CVE-2021-30468

Code Behaviors & Features

Detect and mitigate CVE-2021-30468 with GitLab Dependency Scanning

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Affected versions

All versions before 3.3.11, all versions starting from 3.4.0 before 3.4.4

Fixed versions

  • 3.3.11
  • 3.4.4

Solution

Upgrade to versions 3.3.11, 3.4.4 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Source file

maven/org.apache.cxf/cxf-rt-rs-json-basic/CVE-2021-30468.yml

Spotted a mistake? Edit the file on GitLab.

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