// For flags

CVE-2019-8266

 

Severity Score

9.8
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of ClientConnection::Copybuffer function in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. User interaction is required to trigger these vulnerabilities. These vulnerabilities have been fixed in revision 1208.

UltraVNC, en su revisión 1207, tiene múltiples vulnerabilidades de acceso fuera de límites conectadas al uso incorrecto de la función ClientConnection::Copybuffer en el código VNC del cliente, lo que podría resultar en una ejecución de código. Este ataque parece ser explotable mediante la conectividad de red. Se requiere la interacción del usuario para desencadenar estas vulnerabilidades. Se han solucionado estas vulnerabilidades en la revisión 1208.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-02-12 CVE Reserved
  • 2019-03-08 CVE Published
  • 2024-08-31 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-125: Out-of-bounds Read
  • CWE-787: Out-of-bounds Write
  • CWE-788: Access of Memory Location After End of Buffer
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Uvnc
Search vendor "Uvnc"
Ultravnc
Search vendor "Uvnc" for product "Ultravnc"
< 1.2.2.3
Search vendor "Uvnc" for product "Ultravnc" and version " < 1.2.2.3"
-
Affected