CVEvulnerability
CVE-2019-8258
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2019-03-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-122, CWE-787
Description
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 configurations
• uvnc ultravnc (< 1.2.2.3)
• siemens sinumerik access mymachine\/p2p (< 4.8)
• siemens sinumerik pcu base win10 software\/ipc (< 14.00)
• siemens sinumerik pcu base win7 software\/ipc (<= 12.01)
Related
References
- 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-19-004-ultravnc-heap-based-buffer-overflow/ Third Party Advisory
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06 Third Party Advisory, US Government Resource
- 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-19-004-ultravnc-heap-based-buffer-overflow/ Third Party Advisory
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06 Third Party Advisory, US Government Resource