Heap Buffer Overflow Vulnerabilities in UltraVNC by UltraVNC Technologies
CVE-2019-8262

9.8CRITICAL

Key Information:

Vendor

Ultravnc

Status
Ultravnc
Vendor
CVE Published:
5 March 2019

What is CVE-2019-8262?

UltraVNC revision 1203 contains multiple heap buffer overflow vulnerabilities in the VNC client code located within the Ultra decoder. These vulnerabilities allow attackers to execute arbitrary code, which may be exploited through network connectivity. Users are strongly advised to update to revision 1204 to mitigate the risk associated with these vulnerabilities.

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

.