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CVE-2024-42389— Use of Out-of-range Pointer Offset in Mongoose Web Server library

Quick assessment

Affected
Cesanta Mongoose Web 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.

Cesanta Mongoose Web Server是爱尔兰Cesanta公司的一款使用C语言编写的、跨平台的嵌入式服务器和网络库。 Cesanta Mongoose Web Server v7.14版本存在安全漏洞，该漏洞源于存在超出范围的指针偏移，攻击者可以发送意外的TLS数据包，并强制应用程序读取非预期的堆内存空间。

CVSS 5.3 · Medium EPSS 0.31% · P22
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I. Basic Information for CVE-2024-42389

Vulnerability Information
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Vulnerability Title
Use of Out-of-range Pointer Offset in Mongoose Web Server library
Source: CVE Program / CVE List V5
Vulnerability Description
Use of Out-of-range Pointer Offset vulnerability in Cesanta Mongoose Web Server v7.14 allows an attacker to send an unexpected TLS packet and force the application to read unintended heap memory space.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用越界的指针偏移
Source: CVE Program / CVE List V5
Vulnerability Title
Cesanta Mongoose Web Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cesanta Mongoose Web Server是爱尔兰Cesanta公司的一款使用C语言编写的、跨平台的嵌入式服务器和网络库。 Cesanta Mongoose Web Server v7.14版本存在安全漏洞，该漏洞源于存在超出范围的指针偏移，攻击者可以发送意外的TLS数据包，并强制应用程序读取非预期的堆内存空间。
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
Cesanta Mongoose Web Server 0 ~ 7.14 -

II. Public POCs for CVE-2024-42389

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III. Intelligence Information for CVE-2024-42389

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Same Patch Batch · Cesanta · 2024-11-18 · 10 CVEs total

CVE-2024-42386 8.2 HIGH Use of Out-of-range Pointer Offset in Mongoose Web Server library
CVE-2024-42384 7.5 HIGH Integer Overflow or Wraparound in Mongoose Web Server library
CVE-2024-42387 5.3 MEDIUM Use of Out-of-range Pointer Offset in Mongoose Web Server library
CVE-2024-42388 5.3 MEDIUM Use of Out-of-range Pointer Offset in Mongoose Web Server library
CVE-2024-42390 4.3 MEDIUM Use of Out-of-range Pointer Offset in Mongoose Web Server library
CVE-2024-42391 4.3 MEDIUM Use of Out-of-range Pointer Offset in Mongoose Web Server library
CVE-2024-42383 4.2 MEDIUM Use of Out-of-range Pointer Offset in Mongoose Web Server library
CVE-2024-42392 4.0 MEDIUM Improper Neutralization of Delimiters in Mongoose Web Server library
CVE-2024-42385 4.0 MEDIUM Improper Neutralization of Delimiters in Mongoose Web Server library

IV. Related Vulnerabilities

Same product: Mongoose Web Server
Same vendor: Cesanta
Same weakness: CWE-823

V. Comments for CVE-2024-42389

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