Heap Buffer Overflow in UltraVNC Server Code
CVE-2019-8273

9.8CRITICAL

Key Information:

Vendor

Kaspersky
Status
Ultravnc
Vendor
CVE Published:
8 March 2019

What is CVE-2019-8273?

UltraVNC revision 1211 is susceptible to a heap buffer overflow vulnerability within the VNC server's file transfer request handler. This flaw may allow an attacker to execute arbitrary code through network connectivity, posing significant risks to systems using this version. The issue has been addressed in revision 1212, emphasizing the importance of keeping software updated to mitigate such 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

.