Out-of-Bounds Access Vulnerability in UltraVNC Client by UltraVNC
CVE-2019-8280

9.8CRITICAL

Key Information:

Vendor

Kaspersky
Status
Ultravnc
Vendor
CVE Published:
8 March 2019

What is CVE-2019-8280?

The UltraVNC Client in revision 1203 is susceptible to an out-of-bounds access vulnerability in the RAW decoder. Exploitation of this issue can lead to potential remote code execution as it is accessible via network connectivity. It is crucial to upgrade to revision 1204 to mitigate this security risk, ensuring that memory is managed correctly and preventing unauthorized access to sensitive data.

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

.