Deserialization of Untrusted Data in Fastjson - CVE-2022-25845

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A remote attacker can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

How to mitigate CVE-2022-25845

Links to Public Exploits and PoC-codes

• Exploit #10847 - CVE-2022-25845-In-Spring (CVE-2022-25845(fastjson1.2.80) exploit in Spring Env!) (November 8, 2024)
• Exploit #8881 - CVE-2022-25845-exploit () (March 2, 2023)

External References

• https://www.ddosi.org/fastjson-poc/
• https://github.com/alibaba/fastjson/commit/8f3410f81cbd437f7c459f8868445d50ad301f15
• https://github.com/alibaba/fastjson/releases/tag/1.2.83
• https://github.com/alibaba/fastjson/commit/35db4adad70c32089542f23c272def1ad920a60d
• https://github.com/alibaba/fastjson/wiki/security_update_20220523
• https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222

Related Security Bulletins

• Remote code execution in Fastjson
• Multiple vulnerabilities in Oracle Communications Cloud Native Core Unified Data Repository