Out-of-Bounds Read Vulnerability in UltraVNC by UltraVNC
CVE-2019-8270

7.5HIGH

Key Information:

Vendor

Kaspersky
Status
Ultravnc
Vendor
CVE Published:
8 March 2019

What is CVE-2019-8270?

UltraVNC revision 1210 contains a vulnerability in the VNC client code, specifically in its ultra decoder, allowing for an out-of-bounds read. This can lead to a denial of service (DoS) condition, potentially exploitable through network interactions. Users are advised to update to revision 1211 or later to mitigate this issue.

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Deploy the Patch

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:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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