Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2023-35841— WinFlash Driver Permissions Issue

Quick assessment

Affected
Phoenix WinFlash Driver
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.

PHOENIX CONTACT TdkLib64.sys是德国菲尼克斯电气（PHOENIX CONTACT）公司的一个核心应用。 PHOENIX CONTACT TdkLib64.sys 存在安全漏洞，该漏洞源于TdkLib64.sys 容易受到 IOCTL 访问控制不足的影响，通过发送特定的 IOCTL 请求，没有产品管理员权限的攻击者可以对任何硬件端口或物理地址执行 I/O，从而导致擦除或更改固件。

CVSS 7.8 · High EPSS 0.35% · P27

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2023-35841

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
WinFlash Driver Permissions Issue
Source: CVE Program / CVE List V5
Vulnerability Description
Exposed IOCTL with Insufficient Access Control in Phoenix WinFlash Driver on Windows allows Privilege Escalation which allows for modification of system firmware.This issue affects WinFlash Driver: before 4.5.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键资源的不正确权限授予
Source: CVE Program / CVE List V5
Vulnerability Title
PHOENIX CONTACT TdkLib64.sys 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PHOENIX CONTACT TdkLib64.sys是德国菲尼克斯电气（PHOENIX CONTACT）公司的一个核心应用。 PHOENIX CONTACT TdkLib64.sys 存在安全漏洞，该漏洞源于TdkLib64.sys 容易受到 IOCTL 访问控制不足的影响，通过发送特定的 IOCTL 请求，没有产品管理员权限的攻击者可以对任何硬件端口或物理地址执行 I/O，从而导致擦除或更改固件。
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
Phoenix WinFlash Driver 0 ~ 4.5.0.0 -

II. Public POCs for CVE-2023-35841

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2023-35841

请登录查看更多情报信息。

Vendor Advisories for CVE-2023-35841 (1)

Vendor Pages for CVE-2023-35841 (1)

Other References for CVE-2023-35841 (1)

Same Patch Batch · Phoenix · 2024-05-14 · 3 CVEs total

CVE-2024-1598 7.5 HIGH Potential buffer overflow when handling UEFI variables
CVE-2024-0762 7.5 HIGH Potential buffer overflow when handling UEFI variables

IV. Related Vulnerabilities

Same vendor: Phoenix
Same weakness: CWE-732

V. Comments for CVE-2023-35841

No comments yet

Leave a comment