critical9.8
CVE-2019-8258
UltraVNC revision 1198 has a heap buffer overflow vulnerability in VNC client code which results code execution.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Uvnc | Ultravnc | before 1.2.2.3 |
| Siemens | Sinumerik Access Mymachine\/P2p | before 4.8 |
| Siemens | Sinumerik Pcu Base Win10 Software\/Ipc | before 14.00 |
| Siemens | Sinumerik Pcu Base Win7 Software\/Ipc | through 12.01 |
Weakness classification
References
- NVD record
- CVE.org record
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06