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| Rule General Information |
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| Release Date: | 2022-07-26 | |
| Rule Name: | Fastjson <=1.2.83 Deserialization Vulnerability (CVE-2022-25845) | |
| Severity: | ||
| CVE ID: | ||
| Rule Protection Details |
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| Description: | The package com.alibaba:fastjson before 1.2.83 are 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](https://github.com/alibaba/fastjson/wiki/fastjson_safemode). | |
| Impact: | An attacker could exploit this vulnerability to have unspecified effect. | |
| Affected OS: | Windows, Linux, Others | |
| Reference: | https://github.com/alibaba/fastjson/commit/35db4adad70c32089542f23c272def1ad920a60d https://github.com/alibaba/fastjson/commit/8f3410f81cbd437f7c459f8868445d50ad301f15 https://github.com/alibaba/fastjson/releases/tag/1.2.83 https://github.com/alibaba/fastjson/wiki/security_update_20220523 |
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| Solutions |
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| The vendor has released upgrade patches to fix vulnerabilities, please visit: https://github.com/alibaba/fastjson/wiki/security_update_20220523 |