CVE-2022-25845— Deserialization of Untrusted Data
Quick assessment
Affected
n/a com.alibaba:fastjson
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Fastjson是一款基于Java的快速JSON解析器/生成器。 Fastjson 1.2.83 之前版本存在安全漏洞，该漏洞源于容易绕过默认的 autoType 关闭限制来反序列化不受信任的数据，攻击者利用该漏洞可以攻击远程服务器。
Possible ATT&CK Techniques 2 AI
T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-25845
Vulnerability Information
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Vulnerability Title
Deserialization of Untrusted Data
Source: CVE Program / CVE List V5
Vulnerability 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).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Fastjson 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fastjson是一款基于Java的快速JSON解析器/生成器。 Fastjson 1.2.83 之前版本存在安全漏洞，该漏洞源于容易绕过默认的 autoType 关闭限制来反序列化不受信任的数据，攻击者利用该漏洞可以攻击远程服务器。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | com.alibaba:fastjson | unspecified ~ 1.2.83 | - |
|
II. Public POCs for CVE-2022-25845
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | [fastjson 1.2.80] CVE-2022-25845 aspectj fileread & groovy remote classload | https://github.com/hosch3n/FastjsonVulns | POC Details |
| 2 | None | https://github.com/nerowander/CVE-2022-25845-exploit | POC Details |
| 3 | a scenario based on CVE-2022-25845 yielding a TP for metadata based SCA but a FN if the callgraph is used | https://github.com/scabench/fastjson-tp1fn1 | POC Details |
| 4 | CVE-2022-25845(fastjson1.2.80) exploit in Spring Env! | https://github.com/luelueking/CVE-2022-25845-In-Spring | POC Details |
| 5 | exploit by python | https://github.com/ph0ebus/CVE-2022-25845-In-Spring | POC Details |
| 6 | None | https://github.com/Threekiii/Awesome-POC/blob/master/%E5%BC%80%E5%8F%91%E6%A1%86%E6%9E%B6%E6%BC%8F%E6%B4%9E/Fastjson%20%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C%E6%BC%8F%E6%B4%9E%20CVE-2022-25845.md | POC Details |
| 7 | None | https://github.com/cuijiung/fastjson-CVE-2022-25845 | POC Details |
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Patches & Fixes for CVE-2022-25845 (2)
Vendor Advisories for CVE-2022-25845 (2)
-
https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222 x_refsource_MISC
-
https://www.oracle.com/security-alerts/cpujul2022.html x_refsource_MISC
News Coverage for CVE-2022-25845 (1)
Other References for CVE-2022-25845 (2)
-
https://www.ddosi.org/fastjson-poc/ x_refsource_MISC
-
https://github.com/alibaba/fastjson/releases/tag/1.2.83 x_refsource_MISC
Same Patch Batch · n/a · 2022-06-10 · 23 CVEs total
| CVE-2022-25863 | 8.1 HIGH | Deserialization of Untrusted Data |
| CVE-2022-25851 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-24278 | 7.5 HIGH | Directory Traversal |
| CVE-2022-24429 | 7.5 HIGH | Arbitrary Code Injection |
| CVE-2022-24376 | 7.2 HIGH | Command Injection |
| CVE-2022-21211 | 5.9 MEDIUM | Denial of Service (DoS) |
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| CVE-2022-32563 | Couchbase Sync Gateway 信任管理问题漏洞 | |
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| CVE-2021-44582 | Money Transfer Management System 安全漏洞 | |
| CVE-2021-44117 | FUEL CMS 跨站请求伪造漏洞 | |
| CVE-2022-32978 | libjpeg 安全漏洞 | |
| CVE-2022-29948 | Lepin EP-KP001 安全漏洞 | |
| CVE-2022-31402 | ITOP 跨站脚本漏洞 | |
| CVE-2018-17240 | Netwave IP camera 安全漏洞 | |
| CVE-2022-31282 | Bento4 安全漏洞 | |
| CVE-2021-41756 | dynamicMarkt SQL注入漏洞 | |
| CVE-2022-31287 | Bento4 安全漏洞 | |
| CVE-2022-32981 | Linux kernel 安全漏洞 |
Showing top 20 of 23 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2022-25845
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