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CWE

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CVE-2019-8263

Published: Mar 5, 2019

Modified: Sep 16, 2024

PUBLISHED

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.

Vendor	Product	Versions
Kaspersky Lab	UltraVNC	affected `1.2.2.3`

Weaknesses (CWE)

References

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

x_refsource_MISC

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

x_refsource_MISC

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf

x_refsource_CONFIRM

https://www.us-cert.gov/ics/advisories/icsa-20-161-06

x_refsource_MISC

https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf

x_refsource_CONFIRM

https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf

x_refsource_CONFIRM

https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11

x_refsource_MISC

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