CVE-2018-15361
CRITICALUltraVNC < 1.2.2.3 - Out-of-bounds Write in VNC Client Code
Title source: llmDescription
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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
Third Party Advisory x_refsource_misc
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-003-ultravnc-buffer-underwrite/
Various Sources x_refsource_misc
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
Scores
CVSS v3
9.8
EPSS
0.0288
EPSS Percentile
85.2%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-124
CWE-787
Status
published
Products (1)
uvnc/ultravnc
< 1.2.2.3
Published
Mar 05, 2019
Tracked Since
Feb 18, 2026