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CVE-2021-3751— Out-of-bounds Write in bfabiszewski/libmobi

Quick assessment

Affected
bfabiszewski bfabiszewski/libmobi
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.

Libmobi是一个C库。用于处理 Mobipocket/Kindle (MOBI) 电子书格式文档。 libmobi存在安全漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。

AI Predicted 8.1 Difficulty: Moderate EPSS 1.24% · P68

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-3751

Vulnerability Information
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Vulnerability Title
Out-of-bounds Write in bfabiszewski/libmobi
Source: CVE Program / CVE List V5
Vulnerability Description
libmobi is vulnerable to Out-of-bounds Write
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Libmobi 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Libmobi是一个C库。用于处理 Mobipocket/Kindle (MOBI) 电子书格式文档。 libmobi存在安全漏洞，该漏洞源于网络系统或产品的代码开发过程中存在设计或实现不当的问题。
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
bfabiszewski bfabiszewski/libmobi unspecified ~ 0.6 -

II. Public POCs for CVE-2021-3751

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2021-3751

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Patches & Fixes for CVE-2021-3751 (1)

Vendor Advisories for CVE-2021-3751 (1)

IV. Related Vulnerabilities

Same product: bfabiszewski/libmobi
Same vendor: bfabiszewski
Same weakness: CWE-787

V. Comments for CVE-2021-3751

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