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CVE-2023-4491— Easy Address Book Web Server Buffer overflow vulnerability

Quick assessment

Affected
EFS Software Easy Address Book 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.

Easy Address Book Web Server是一个软件。 Easy Address Book Web Server 1.6版本存在缓冲区错误漏洞,该漏洞源于存在缓冲区溢出漏洞。攻击者可利用该漏洞向/searchbook.ghp发送字符串执行任意代码。

CVSS 9.8 · Critical EPSS 0.90% · P57
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I. Basic Information for CVE-2023-4491

Vulnerability Information

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Vulnerability Title
Easy Address Book Web Server Buffer overflow vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Buffer overflow vulnerability in Easy Address Book Web Server 1.6 version. The exploitation of this vulnerability could allow an attacker to send a very long username string to /searchbook.ghp, asking for the name via a POST request, resulting in arbitrary code execution on the remote machine.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Easy Address Book Web Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Easy Address Book Web Server是一个软件。 Easy Address Book Web Server 1.6版本存在缓冲区错误漏洞,该漏洞源于存在缓冲区溢出漏洞。攻击者可利用该漏洞向/searchbook.ghp发送字符串执行任意代码。
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
EFS Software Easy Address Book Web Server 1.6 -

II. Public POCs for CVE-2023-4491

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III. Intelligence Information for CVE-2023-4491

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Other References for CVE-2023-4491 (1)

Same Patch Batch · EFS Software · 2023-10-04 · 7 CVEs total

CVE-2023-4494 9.8 CRITICAL Easy Chat Server Stack-based buffer overflow vulnerability
CVE-2023-4497 6.1 MEDIUM Easy Chat Server XSS vulnerability
CVE-2023-4496 6.1 MEDIUM Easy Chat Server XSS vulnerability
CVE-2023-4495 6.1 MEDIUM Easy Chat Server XSS vulnerability
CVE-2023-4493 6.1 MEDIUM Easy Address Book Web Server Stored XSS vulnerability
CVE-2023-4492 6.1 MEDIUM Easy Address Book Web Server XSS vulnerability

IV. Related Vulnerabilities

V. Comments for CVE-2023-4491

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