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CVE-2022-25845: Unsafe deserialization in com.alibaba:fastjson

June 10, 2022 (updated May 14, 2024)

The package com.alibaba:fastjson before 1.2.83 is vulnerable to Deserialization of Untrusted Data by bypassing the default autoType shutdown restrictions, which is possible under certain conditions. Exploiting this vulnerability allows attacking remote servers. Workaround: If upgrading is not possible, you can enable safeMode.

References

  • github.com/advisories/GHSA-pv7h-hx5h-mgfj
  • github.com/alibaba/fastjson/commit/35db4adad70c32089542f23c272def1ad920a60d
  • github.com/alibaba/fastjson/commit/8f3410f81cbd437f7c459f8868445d50ad301f15
  • github.com/alibaba/fastjson/releases/tag/1.2.83
  • github.com/alibaba/fastjson/wiki/security_update_20220523
  • nvd.nist.gov/vuln/detail/CVE-2022-25845
  • snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222
  • www.ddosi.org/fastjson-poc/

Code Behaviors & Features

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Affected versions

All versions from 1.2.25 up tp 1.2.83

Fixed versions

  • 1.2.83

Solution

Upgrade to version 1.2.83 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-502: Deserialization of Untrusted Data

Source file

maven/com.alibaba/fastjson/CVE-2022-25845.yml

Spotted a mistake? Edit the file on GitLab.

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