CVE-2019-8263
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.
UltraVNC, en su revisión 1205, tiene un desbordamiento de búfer basado en pila en el código del cliente VNC dentro de la rutina ShowConnInfo, lo cual conduce a una condición de denegación de servicio (DoS). Este ataque parece ser explotable mediante la conectividad de red. Se requiere interacción del usuario para desencadenar esta vulnerabilidad. Esta vulnerabilidad se ha solucionado en la revisión 1206.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2019-02-12 CVE Reserved
- 2019-03-05 CVE Published
- 2024-02-23 EPSS Updated
- 2024-09-16 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-121: Stack-based Buffer Overflow
- CWE-787: Out-of-bounds Write
CAPEC
References (7)
| 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-19-009-ultravnc-access-of-memory-location-after-end-of-buffer | Not Applicable | |
| https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-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 |
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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
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| 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
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