CVE-2019-25601— UltraVNC Launcher 1.2.2.4 Denial of Service Buffer Overflow
Quick assessment
Affected
Uvnc UltraVNC Launcher
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.
UltraVNC Launcher是UltraVNC公司的一个远程控制软件中的启动器。 UltraVNC Launcher 1.2.2.4版本存在缓冲区错误漏洞，该漏洞源于Path vncviewer.exe属性字段存在缓冲区溢出，可能导致本地攻击者通过提供超长字符串使应用程序崩溃。
Possible ATT&CK Techniques 1 AI
T1496 · Resource HijackingAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Uvnc | UltraVNC Launcher | 1.2.2.4 |
affected |
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I. Basic Information for CVE-2019-25601
Vulnerability Information
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Vulnerability Title
UltraVNC Launcher 1.2.2.4 Denial of Service Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
UltraVNC Launcher 1.2.2.4 contains a buffer overflow vulnerability in the Path vncviewer.exe property field that allows local attackers to crash the application by supplying an excessively long string. Attackers can input a 300-byte payload of repeated characters through the Properties dialog to trigger a denial of service condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
UltraVNC Launcher 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UltraVNC Launcher是UltraVNC公司的一个远程控制软件中的启动器。 UltraVNC Launcher 1.2.2.4版本存在缓冲区错误漏洞，该漏洞源于Path vncviewer.exe属性字段存在缓冲区溢出，可能导致本地攻击者通过提供超长字符串使应用程序崩溃。
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 |
|---|---|---|---|---|
| Uvnc | UltraVNC Launcher | 1.2.2.4 | - |
|
II. Public POCs for CVE-2019-25601
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2019-25601 (1)
-
UltraVNC Launcher 1.2.2.4 Denial of Service Buffer Overflow | Advisories | VulnCheck third-party-advisory
Exploits & Public PoCs for CVE-2019-25601 (1)
Vendor Pages for CVE-2019-25601 (1)
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