PT-2019-18957 · Ultravnc · Ultravnc

Published 2019-03-08 · Updated 2020-06-12 · CVE-2019-8267

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 1207

Description The issue is related to an out-of-bounds read in the VNC client code inside the TextChat module, leading to a denial of service (DoS) condition. This can be exploited via network connectivity.

Recommendations For UltraVNC revision 1207, update to revision 1208 to resolve the issue.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2019-8267

Affected Products

Ultravnc

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2019-8267 · Security Note
• https://osv.dev/vulnerability/CVE-2019-8267 · Vendor Advisory
• https://us-cert.gov/ics/advisories/icsa-20-161-06 · Note
• https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-014-ultravnc-out-of-bounds-read · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf · Note