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CVE-2018-8789

Quick assessment

Affected

Check Point Software Technologies Ltd. FreeRDP

Exploitation

High exploitation probability; assess promptly

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团队开发的一个免费、开源的关于远程桌面协议（RDP）的实现。NTLM Authentication module是其中的一个NTLM（NT Lan Manager）认证模块。 FreeRDP 2.0.0-rc4之前版本中的NTLM Authentication模块存在越界读取漏洞。攻击者可利用该漏洞造成拒绝服务（段错误）。

AI Predicted 7.5 Difficulty: Moderate EPSS 5.24% · P92 Updated Feb 21, 2026

Possible ATT&CK Techniques 1 AI

T1025 · Data from Removable Media

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I. Basic Information for CVE-2018-8789

Vulnerability Information

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Vulnerability Title

N/A

Source: CVE Program / CVE List V5

Vulnerability Description

FreeRDP prior to version 2.0.0-rc4 contains several Out-Of-Bounds Reads in the NTLM Authentication module that results in a Denial of Service (segfault).

Source: CVE Program / CVE List V5

CVSS Information

N/A

Source: CVE Program / CVE List V5

Vulnerability Type

缓冲区上溢读取

Source: CVE Program / CVE List V5

Vulnerability Title

FreeRDP NTLM Authentication模块缓冲区错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

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
Check Point Software Technologies Ltd.	FreeRDP	All versions prior to 2.0.0-rc4	-

II. Public POCs for CVE-2018-8789

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2018-8789

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Patches & Fixes for CVE-2018-8789 (1)

https://github.com/FreeRDP/FreeRDP/commit/2ee663f39dc8dac3d9988e847db19b2d7e3ac8c6 x_refsource_CONFIRM

Vendor Advisories for CVE-2018-8789 (3)

http://www.securityfocus.com/bid/106938 vdb-entry x_refsource_BID
https://usn.ubuntu.com/3845-2/ vendor-advisory x_refsource_UBUNTU
https://usn.ubuntu.com/3845-1/ vendor-advisory x_refsource_UBUNTU

Mailing List Discussions for CVE-2018-8789 (1)

https://lists.debian.org/debian-lts-announce/2019/02/msg00015.html mailing-list x_refsource_MLIST

Other References for CVE-2018-8789 (1)

https://research.checkpoint.com/reverse-rdp-attack-code-execution-on-rdp-clients/ x_refsource_CONFIRM

https://www.cve.org/CVERecord?id=CVE-2018-8789

Same Patch Batch · Check Point Software Technologies Ltd. · 2018-11-29 · 6 CVEs total

CVE-2018-8784		FreeRDP 缓冲区错误漏洞
CVE-2018-8785		FreeRDP 缓冲区错误漏洞
CVE-2018-8786		FreeRDP 缓冲区错误漏洞
CVE-2018-8787		FreeRDP 缓冲区错误漏洞
CVE-2018-8788		FreeRDP 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: FreeRDP

Same vendor: Check Point Software Technologies Ltd.

Same weakness: CWE-126