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CVE-2019-20925— Denial of service via malformed network packet

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 存在授权问题漏洞，该漏洞允许未经身份验证的客户端可以通过发出特制的有线协议消息来触发拒绝服务，这会导致消息解压器错误地分配内存。以下产品及版本受到影响：MongoDB Server v4.2版本至4.2.1版本; v4.0版本至4.0.13版本; v3.6版本至3.6.15版本; v3.4版本至3.4.24版本。

CVSS 7.5 · High EPSS 1.68% · P75
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I. Basic Information for CVE-2019-20925

Vulnerability Information
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Vulnerability Title
Denial of service via malformed network packet
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated client can trigger denial of service by issuing specially crafted wire protocol messages, which cause the message decompressor to incorrectly allocate memory. This issue affects MongoDB Server v4.2 versions prior to 4.2.1; MongoDB Server v4.0 versions prior to 4.0.13; MongoDB Server v3.6 versions prior to 3.6.15 and MongoDB Server v3.4 versions prior to 3.4.24.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未进行最小值检查的数值范围比较
Source: CVE Program / CVE List V5
Vulnerability Title
Mongodb Server 授权问题漏洞
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 存在授权问题漏洞，该漏洞允许未经身份验证的客户端可以通过发出特制的有线协议消息来触发拒绝服务，这会导致消息解压器错误地分配内存。以下产品及版本受到影响：MongoDB Server v4.2版本至4.2.1版本; v4.0版本至4.0.13版本; v3.6版本至3.6.15版本; v3.4版本至3.4.24版本。
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 4.2 ~ 4.2.1 -

II. Public POCs for CVE-2019-20925

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III. Intelligence Information for CVE-2019-20925

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Other References for CVE-2019-20925 (1)

IV. Related Vulnerabilities

Same product: MongoDB Server
Same vendor: MongoDB Inc.
Same weakness: CWE-839

V. Comments for CVE-2019-20925

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