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CVE-2024-32661— FreeRDP rdp_write_logon_info_v1 NULL access

Quick assessment

Affected
FreeRDP FreeRDP
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FreeRDP是FreeRDP团队的一款开源的远程桌面协议（RDP）的实现。 FreeRDP 3.5.1 版本之前存在安全漏洞，该漏洞源于基于 FreeRDP 的客户端容易受到崩溃的影响。

CVSS 7.5 · High EPSS 1.21% · P68

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth
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I. Basic Information for CVE-2024-32661

Vulnerability Information
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Vulnerability Title
FreeRDP rdp_write_logon_info_v1 NULL access
Source: CVE Program / CVE List V5
Vulnerability Description
FreeRDP is a free implementation of the Remote Desktop Protocol. FreeRDP based clients prior to version 3.5.1 are vulnerable to a possible `NULL` access and crash. Version 3.5.1 contains a patch for the issue. No known workarounds are available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
FreeRDP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeRDP是FreeRDP团队的一款开源的远程桌面协议（RDP）的实现。 FreeRDP 3.5.1 版本之前存在安全漏洞，该漏洞源于基于 FreeRDP 的客户端容易受到崩溃的影响。
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
FreeRDP FreeRDP < 3.5.1 -

II. Public POCs for CVE-2024-32661

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9132 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2024-32661

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Patches & Fixes for CVE-2024-32661 (1)

Vendor Advisories for CVE-2024-32661 (1)

Mailing List Discussions for CVE-2024-32661 (4)

Same Patch Batch · FreeRDP · 2024-04-23 · 5 CVEs total

CVE-2024-32659 9.8 CRITICAL freerdp_image_copy out of bound read
CVE-2024-32658 9.8 CRITICAL FreeRDP ExtractRunLengthRegular* out of bound read
CVE-2024-32662 7.5 HIGH FreeRDP rdp_redirection_read_base64_wchar out of bound read
CVE-2024-32660 7.5 HIGH FreeRDP zgfx_decompress out of memory vulnerability

IV. Related Vulnerabilities

Same product: FreeRDP
Same vendor: FreeRDP
Same weakness: CWE-476

V. Comments for CVE-2024-32661

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