CVE-2020-7766— Prototype Pollution
Quick assessment
Affected
n/a json-ptr
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Flitbit json-pointer是个人开发者的一个javascript的JSON库。该库可以通过指针的方式操作JSON结构数据。 Flitbit json-pointer 所有版本存在安全漏洞，该漏洞源于当force标志设置为真时。函数递归地在目标对象中设置属性，但是它没有正确地检查所设置的键，导致原型污染。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-7766
Vulnerability Information
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Vulnerability Title
Prototype Pollution
Source: CVE Program / CVE List V5
Vulnerability Description
This affects all versions of package json-ptr. The issue occurs in the set operation (https://flitbit.github.io/json-ptr/classes/_src_pointer_.jsonpointer.htmlset) when the force flag is set to true. The function recursively set the property in the target object, however it does not properly check the key being set, leading to a prototype pollution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Flitbit json-pointer 注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flitbit json-pointer是个人开发者的一个javascript的JSON库。该库可以通过指针的方式操作JSON结构数据。 Flitbit json-pointer 所有版本存在安全漏洞，该漏洞源于当force标志设置为真时。函数递归地在目标对象中设置属性，但是它没有正确地检查所设置的键，导致原型污染。
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)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | json-ptr | 0 ~ unspecified | - |
|
II. Public POCs for CVE-2020-7766
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2020-7766 (2)
-
https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1038396 x_refsource_MISC
-
https://snyk.io/vuln/SNYK-JS-JSONPTR-1016939 x_refsource_MISC
Other References for CVE-2020-7766 (1)
-
https://github.com/flitbit/json-ptr/blob/master/src/util.ts%23L174 x_refsource_MISC
Same Patch Batch · n/a · 2020-11-10 · 35 CVEs total
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| CVE-2020-25267 | Ilias 跨站脚本漏洞 | |
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| CVE-2020-0451 | Google Android/Pixel 缓冲区错误漏洞 | |
| CVE-2020-0439 | Google Android 安全漏洞 | |
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Showing top 20 of 35 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: json-ptr
V. Comments for CVE-2020-7766
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