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CVE-2019-25466— Easy File Sharing Web Server 7.2 Local SEH Overflow

Quick assessment

Affected
Sharing-File Easy File Sharing 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 File Sharing Web Server是Easy File Server开源的一个文件共享服务器。 Easy File Sharing Web Server 7.2版本存在缓冲区错误漏洞，该漏洞源于本地结构化异常处理存在缓冲区溢出，可能导致本地攻击者执行任意代码。

CVSS 8.4 · High EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Sharing-File Easy File Sharing Web Server 7.2 affected
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I. Basic Information for CVE-2019-25466

Vulnerability Information
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Vulnerability Title
Easy File Sharing Web Server 7.2 Local SEH Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
Easy File Sharing Web Server 7.2 contains a local structured exception handling buffer overflow vulnerability that allows local attackers to execute arbitrary code by creating a malicious username. Attackers can craft a username with a payload containing 4059 bytes of padding followed by a nseh value and seh pointer to trigger the overflow when adding a new user account.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Easy File Sharing Web Server 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Easy File Sharing Web Server是Easy File Server开源的一个文件共享服务器。 Easy File Sharing Web Server 7.2版本存在缓冲区错误漏洞，该漏洞源于本地结构化异常处理存在缓冲区溢出，可能导致本地攻击者执行任意代码。
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
Sharing-File Easy File Sharing Web Server 7.2 -

II. Public POCs for CVE-2019-25466

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III. Intelligence Information for CVE-2019-25466

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Vendor Advisories for CVE-2019-25466 (1)

Exploits & Public PoCs for CVE-2019-25466 (1)

IV. Related Vulnerabilities

Same weakness: CWE-787

V. Comments for CVE-2019-25466

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