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CVE-2019-8263

MEDIUM

6.5

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.

CVE Details

CVSS v3.1 Score6.5

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/5/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

siemens:sinumerik_access_mymachine\/p2psiemens:sinumerik_pcu_base_win10_software\/ipcsiemens:sinumerik_pcu_base_win7_software\/ipcuvnc:ultravnc

Weaknesses (CWE)

CWE-121CWE-787

References

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf(vulnerability@kaspersky.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf(vulnerability@kaspersky.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf(vulnerability@kaspersky.com)

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/(vulnerability@kaspersky.com)

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/(vulnerability@kaspersky.com)

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11(vulnerability@kaspersky.com)

https://www.us-cert.gov/ics/advisories/icsa-20-161-06(vulnerability@kaspersky.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/(af854a3a-2127-422b-91ae-364da2661108)

https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/(af854a3a-2127-422b-91ae-364da2661108)

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11(af854a3a-2127-422b-91ae-364da2661108)

https://www.us-cert.gov/ics/advisories/icsa-20-161-06(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.