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CVE-2019-8287

Quick assessment

Affected
Kaspersky TightVNC
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.

TightVNC是一套跨平台的开源远程桌面软件。 TightVNC 1.3.10版本中的HandleCoRREBBP宏函数存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。

AI Predicted 9.8 Difficulty: Easy EPSS 19.46% · P97

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2019-8287

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: CVE Program / CVE List V5
Vulnerability Title
TightVNC 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TightVNC是一套跨平台的开源远程桌面软件。 TightVNC 1.3.10版本中的HandleCoRREBBP宏函数存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
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
Kaspersky TightVNC 1.3.10 -

II. Public POCs for CVE-2019-8287

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III. Intelligence Information for CVE-2019-8287

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Vendor Advisories for CVE-2019-8287 (2)

Mailing List Discussions for CVE-2019-8287 (2)

Same Patch Batch · Kaspersky · 2019-10-29 · 6 CVEs total

CVE-2019-15678 TightVNC 缓冲区错误漏洞
CVE-2019-15679 TightVNC 缓冲区错误漏洞
CVE-2019-15680 TightVNC 代码问题漏洞
CVE-2019-15681 LibVNCServer 安全漏洞
CVE-2019-15683 TurboVNC 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: TightVNC
Same vendor: Kaspersky
Same weakness: CWE-120

V. Comments for CVE-2019-8287

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