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CVE-2024-6383— MongoDB C Driver bson_string_append may be vulnerable to a buffer overflow

Quick assessment

Affected
MongoDB Inc libbson
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是美国MongoDB公司的一种面向文档的数据库管理系统。 MongoDB C Driver 1.27.1之前的libbson版本存在安全漏洞，该漏洞源于bson_string_append存在缓冲区溢出漏洞，导致相邻堆内存的内存损坏。

CVSS 5.3 · Medium EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2024-6383

Vulnerability Information
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Vulnerability Title
MongoDB C Driver bson_string_append may be vulnerable to a buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
The bson_string_append function in MongoDB C Driver may be vulnerable to a buffer overflow where the function might attempt to allocate too small of buffer and may lead to memory corruption of neighbouring heap memory. This issue affects libbson versions prior to 1.27.1
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MongoDB是美国MongoDB公司的一种面向文档的数据库管理系统。 MongoDB C Driver 1.27.1之前的libbson版本存在安全漏洞，该漏洞源于bson_string_append存在缓冲区溢出漏洞，导致相邻堆内存的内存损坏。
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 libbson 0 ~ 1.27.1 cpe:2.3:a:mongodb:libbson:0.2.0:*:*:*:*:*:*:*

II. Public POCs for CVE-2024-6383

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III. Intelligence Information for CVE-2024-6383

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Other References for CVE-2024-6383 (1)

IV. Related Vulnerabilities

Same product: libbson
Same vendor: MongoDB Inc
Same weakness: CWE-122

V. Comments for CVE-2024-6383

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