CVE-2019-8268
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 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which can potentially result code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1207.
UltraVNC, en su revisión 1206, tiene múltiples vulnerabilidades de error por un paso en el código del cliente VNC conectadas con el uso incorrecto de la función ClientConnection::ReadString, lo cual puede resultar, potencialmente, en la ejecución de código. Este ataque parece ser explotable mediante la conectividad de red. Se han solucionado estas vulnerabilidades en la revisión 1207.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* 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
- 2024-09-17 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-193: Off-by-one Error
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | Third Party Advisory |
|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-015-ultravnc-off-by-one-error | Third Party Advisory | |
| https://www.us-cert.gov/ics/advisories/icsa-20-161-06 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
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
| ||||||