// For flags

CVE-2019-8258

 

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

UltraVNC, en su revisión 1198, tiene una vulnerabilidad de desbordamiento de búfer de memoria dinámica (heap) en el código del cliente VNC, lo que resulta en la ejecución de código. Este ataque parece ser explotable mediante la conectividad de red. Esto se ha solucionado en la revisión 1199.

*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
  • 2019-03-05 CVE Published
  • 2024-08-31 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-122: Heap-based Buffer Overflow
  • CWE-787: Out-of-bounds Write
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
Siemens
Search vendor "Siemens"
Sinumerik Access Mymachine\/p2p
Search vendor "Siemens" for product "Sinumerik Access Mymachine\/p2p"
< 4.8
Search vendor "Siemens" for product "Sinumerik Access Mymachine\/p2p" and version " < 4.8"
-
Affected
Siemens
Search vendor "Siemens"
Sinumerik Pcu Base Win10 Software\/ipc
Search vendor "Siemens" for product "Sinumerik Pcu Base Win10 Software\/ipc"
< 14.00
Search vendor "Siemens" for product "Sinumerik Pcu Base Win10 Software\/ipc" and version " < 14.00"
-
Affected
Siemens
Search vendor "Siemens"
Sinumerik Pcu Base Win7 Software\/ipc
Search vendor "Siemens" for product "Sinumerik Pcu Base Win7 Software\/ipc"
<= 12.01
Search vendor "Siemens" for product "Sinumerik Pcu Base Win7 Software\/ipc" and version " <= 12.01"
-
Affected