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CVE-2019-8258

Quick assessment

Affected
UltraVNC UltraVNC
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.

UltraVNC是一款用于Windows平台的开源远程终端控制软件。 UltraVNC 1198版本中的VNC client代码存在堆缓冲区溢出漏洞。远程攻击者可利用该漏洞执行代码。

AI Predicted 9.8 Difficulty: Moderate EPSS 4.43% · P91
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I. Basic Information for CVE-2019-8258

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
UltraVNC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
UltraVNC是一款用于Windows平台的开源远程终端控制软件。 UltraVNC 1198版本中的VNC client代码存在堆缓冲区溢出漏洞。远程攻击者可利用该漏洞执行代码。
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
UltraVNC UltraVNC 1.2.2.3 -

II. Public POCs for CVE-2019-8258

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III. Intelligence Information for CVE-2019-8258

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Vendor Advisories for CVE-2019-8258 (2)

Other References for CVE-2019-8258 (1)

Same Patch Batch · UltraVNC · 2019-03-05 · 6 CVEs total

CVE-2018-15361 UltraVNC 缓冲区错误漏洞
CVE-2019-8259 UltraVNC 资源管理错误漏洞
CVE-2019-8260 UltraVNC 缓冲区错误漏洞
CVE-2019-8261 UltraVNC 缓冲区错误漏洞
CVE-2019-8262 UltraVNC 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: UltraVNC
Same vendor: UltraVNC
Same weakness: CWE-122

V. Comments for CVE-2019-8258

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