CVE-2020-7929— Specially crafted regex query can cause DoS
Quick assessment
Affected
MongoDB Inc. MongoDB Server
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.
Mongodb Server是美国Mongodb公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB Server 存在安全漏洞，该漏洞源于被授权执行数据库查询的用户可能会通过发出包含某种regex类型的特别制作的查询来触发拒绝服务。以下产品及版本受到影响：MongoDB Inc. MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions pr
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2020-7929
Vulnerability Information
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Vulnerability Title
Specially crafted regex query can cause DoS
Source: CVE Program / CVE List V5
Vulnerability Description
A user authorized to perform database queries may trigger denial of service by issuing specially crafted query contain a type of regex. This issue affects MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions prior to 4.0.20.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不正确的正则表达式
Source: CVE Program / CVE List V5
Vulnerability Title
Mongodb Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mongodb Server是美国Mongodb公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB Server 存在安全漏洞，该漏洞源于被授权执行数据库查询的用户可能会通过发出包含某种regex类型的特别制作的查询来触发拒绝服务。以下产品及版本受到影响：MongoDB Inc. MongoDB Server v3.6 versions prior to 3.6.21 and MongoDB Server v4.0 versions pr
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 |
|---|---|---|---|---|
| MongoDB Inc. | MongoDB Server | 3.6 ~ 3.6.21 | - |
|
II. Public POCs for CVE-2020-7929
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2020-7929 (1)
-
https://jira.mongodb.org/browse/SERVER-51083 x_refsource_MISC
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V. Comments for CVE-2020-7929
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