CVE-2019-8259
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
UltraVNC revision 1198 contains multiple memory leaks (CWE-655) in VNC client code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1199.
UltraVNC, en su revisión 1198, contiene múltiples fugas de memoria (CWE-655) en el código del cliente VNC, lo que permite que un atacante lea memoria de la pila y puede aprovecharse para divulgar información. Si se combina con otra vulnerabilidad, puede emplearse para filtrar memoria de la pila y omitir el ASLR. Este ataque parece ser explotable mediante la conectividad de red. Esto se ha solucionado en la revisión 1199.
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-401: Missing Release of Memory after Effective Lifetime
- CWE-665: Improper Initialization
CAPEC
References (6)
| URL | Tag | Source |
|---|---|---|
| https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf | X_refsource_confirm |
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| https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf | Third Party Advisory |
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| 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-19-005-ultravnc-memory-leak | 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
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| 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
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| 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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