cnvd - cnvd-2022-51879

cnvd-2022-51879

Vulnerability from cnvd

Title: Fastjson代码执行漏洞

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，攻击者利用该漏洞导致代码执行。

Severity: 中

Patch Name: Fastjson代码执行漏洞的补丁

Patch 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，攻击者利用该漏洞导致代码执行。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/alibaba/fastjson/wiki/security_update_20220523

Reference: https://cxsecurity.com/cveshow/CVE-2022-25845/

Impacted products

Name
Alibaba Fastjson <1.2.83

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-25845"
    }
  },
  "description": "Fastjson\u662f\u4e00\u6b3e\u57fa\u4e8eJava\u7684\u5feb\u901fJSON\u89e3\u6790\u5668/\u751f\u6210\u5668\u3002\n\nFastjson 1.2.83\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bb9\u6613\u7ed5\u8fc7\u9ed8\u8ba4\u7684autoType\u5173\u95ed\u9650\u5236\u6765\u53cd\u5e8f\u5217\u5316\u4e0d\u53d7\u4fe1\u4efb\u7684\u6570\u636e\uff0c\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u4ee3\u7801\u6267\u884c\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/alibaba/fastjson/wiki/security_update_20220523",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-51879",
  "openTime": "2022-07-15",
  "patchDescription": "Fastjson\u662f\u4e00\u6b3e\u57fa\u4e8eJava\u7684\u5feb\u901fJSON\u89e3\u6790\u5668/\u751f\u6210\u5668\u3002\r\n\r\nFastjson 1.2.83\u4e4b\u524d\u7248\u672c\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5bb9\u6613\u7ed5\u8fc7\u9ed8\u8ba4\u7684autoType\u5173\u95ed\u9650\u5236\u6765\u53cd\u5e8f\u5217\u5316\u4e0d\u53d7\u4fe1\u4efb\u7684\u6570\u636e\uff0c\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u4ee3\u7801\u6267\u884c\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Fastjson\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Alibaba Fastjson \u003c1.2.83"
  },
  "referenceLink": "https://cxsecurity.com/cveshow/CVE-2022-25845/",
  "serverity": "\u4e2d",
  "submitTime": "2022-06-14",
  "title": "Fastjson\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2022-25845 (GCVE-0-2022-25845)

Vulnerability from cvelistv5

Published

2022-06-10 20:05

Modified

2024-09-16 23:36

Severity ?

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P

CWE

Deserialization of Untrusted Data

Summary

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).

References

▼	URL	Tags
	https://snyk.io/vuln/SNYK-JAVA-COMALIBABA-2859222	x_refsource_MISC
	https://www.ddosi.org/fastjson-poc/	x_refsource_MISC
	https://github.com/alibaba/fastjson/commit/8f3410f81cbd437f7c459f8868445d50ad301f15	x_refsource_MISC
	https://github.com/alibaba/fastjson/commit/35db4adad70c32089542f23c272def1ad920a60d	x_refsource_MISC
	https://github.com/alibaba/fastjson/wiki/security_update_20220523	x_refsource_MISC
	https://github.com/alibaba/fastjson/releases/tag/1.2.83	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpujul2022.html	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	com.alibaba:fastjson	Version: unspecified < 1.2.83

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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