PT-2019-18959 · Ultravnc · Ultravnc

Published 2019-03-08 · Updated 2020-06-12 · CVE-2019-8270

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions UltraVNC revision 1210

Description The issue is an out-of-bounds read vulnerability in the VNC client code inside the Ultra decoder, resulting in a denial of service (DoS) condition. This can be exploited via network connectivity.

Recommendations For UltraVNC revision 1210, update to revision 1211 to resolve the issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2019-8270

Affected Products

Ultravnc

References · 5

• https://osv.dev/vulnerability/CVE-2019-8270 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-8270 · Security Note
• https://us-cert.gov/ics/advisories/icsa-20-161-06 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf · Note
• https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-017-ultravnc-out-of-bounds-read · Note