Buffer overflow

2019-03-0515:29:00

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9.6 High

AI Score

Confidence

High

0.008 Low

EPSS

Percentile

81.9%

JSON

UltraVNC revision 1198 has a buffer underflow vulnerability in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1199.

CPENameOperatorVersion
ultravnclt1.2.2.3

CPE	Name	Operator	Version
	ultravnc	lt	1.2.2.3

References

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

ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-003-ultravnc-buffer-underwrite/

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