CVE-2019-8262
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 1203 has multiple heap buffer overflow vulnerabilities in VNC client code inside Ultra decoder, which results in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1204.
UltraVNC, en su revisión 1203, tiene múltiples vulnerabilidades de desbordamiento de búfer de memoria dinámica (heap) en el código del cliente VNC dentro del decodificador Ultra, lo que resulta en la ejecución de código. Este ataque parece ser explotable mediante conectividad de red. Esto se ha solucionado en la revisión 1204.
*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
- 2019-03-05 CVE Published
- 2024-07-22 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
References (6)
| URL | Tag | Source |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | X_refsource_confirm |
|
| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | Third Party Advisory |
|
| https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf | X_refsource_confirm |
|
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-008-ultravnc-heap-based-buffer-overflow | Third Party Advisory | |
| https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11 | X_refsource_misc | |
| 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
| ||||||