CVE-2022-25845: Deserialization of Untrusted Data
First published: Fri Jun 10 2022(Updated: )
A flaw was found in com.alibaba:fastjson, a fast JSON parser/generator for Java. Affected versions of this package are vulnerable to Deserialization of Untrusted Data by bypassing the default autoType shutdown restrictions, which is possible under certain conditions.
Credit: report@snyk.io report@snyk.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/fastjson | <1.2.83 | 1.2.83 |
| Alibaba Fastjson | <1.2.83 | |
| Oracle Communications Cloud Native Core Unified Data Repository | =22.2.0 | |
| maven/com.alibaba:fastjson | >=1.2.25<1.2.83 | 1.2.83 |
Remedy
Users who can not upgrade to the fixed version may enable safeMode; this completely disables the autoType function and eliminates the vulnerability risk. [https://github.com/alibaba/fastjson/wiki/fastjson_safemode]
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2022-25845 https://nvd.nist.gov/vuln/detail/CVE-2022-25845 https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222
- https://bugzilla.redhat.com/show_bug.cgi?id=2100654
- https://access.redhat.com/errata/RHSA-2022:5532
- https://access.redhat.com/security/cve/cve-2022-25845
- 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
- https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222
- https://www.ddosi.org/fastjson-poc/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-25845
- https://www.ddosi.org/fastjson-poc
- https://github.com/advisories/GHSA-pv7h-hx5h-mgfj (Advisory)
Frequently Asked Questions
What is CVE-2022-25845?
CVE-2022-25845 is a vulnerability in the com.alibaba:fastjson package that allows for the deserialization of untrusted data, potentially leading to remote server attacks.
What is the severity of CVE-2022-25845?
CVE-2022-25845 has a severity rating of 9.8, which is considered critical.
How does CVE-2022-25845 affect the com.alibaba:fastjson package?
CVE-2022-25845 affects com.alibaba:fastjson versions before 1.2.83 and allows for the bypassing of default autoType shutdown restrictions during deserialization.
What is the workaround for CVE-2022-25845?
The recommended workaround for CVE-2022-25845 is to upgrade to version 1.2.83 of the com.alibaba:fastjson package.
Where can I find more information about CVE-2022-25845?
More information about CVE-2022-25845 can be found at the following references: [Reference 1](https://access.redhat.com/errata/RHSA-2022:5532), [Reference 2](https://access.redhat.com/security/cve/cve-2022-25845), [Reference 3](https://bugzilla.redhat.com/show_bug.cgi?id=2100654).
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