CVE Vulnerability

CVE-2019-8265

UltraVNC revision 1207 has multiple out-of-bounds access vulnerabilities connected with improper usage of SETPIXELS macro in VNC client code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1208.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-012-ultravnc-access-of-memory-location-after-end-of-buffer/ Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
https://cert-portal.siemens.com/productcert/pdf/ssa-940818.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-11
Configurations

Configuration 1

cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*
Information

Published : 2019-03-08 11:29

Updated : 2021-06-28 12:15

NVD link : CVE-2019-8265

Mitre link : CVE-2019-8265

Products Affected
No products.
CWE
CWE-125

Out-of-bounds Read

CWE-787