Out-of-Bounds Access Vulnerabilities in UltraVNC by UltraVNC Team
CVE-2019-8265

9.8CRITICAL

Key Information:

Vendor
Kaspersky
Status
Ultravnc
Vendor
CVE Published:
8 March 2019

Summary

UltraVNC revision 1207 is impacted by multiple out-of-bounds access vulnerabilities linked to the improper implementation of the SETPIXELS macro in the VNC client code. These vulnerabilities can be exploited through network connectivity and may allow attackers to execute arbitrary code. A fix has been implemented in revision 1208 to address these security concerns.

Affected Version(s)

UltraVNC 1.2.2.3

References

https://ics-cert.kaspersky.com/advisories/klcert-advisori...
x_refsource_MISC
https://cert-portal.siemens.com/productcert/pdf/ssa-92709...
x_refsource_CONFIRM
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.