CVEvulnerability
CVE-2019-8263
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-03-05
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-121, CWE-787
Description
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.
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-286838.pdf cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf cert-portal.siemens.com
- 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, Third Party Advisory
- 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 us-cert.cisa.gov
- 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-286838.pdf cert-portal.siemens.com
- https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf cert-portal.siemens.com
- 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, Third Party Advisory
- 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 us-cert.cisa.gov
- https://www.us-cert.gov/ics/advisories/icsa-20-161-06 Third Party Advisory, US Government Resource