CVE Vulnerability

CVE-2019-8276

UltraVNC revision 1211 has a stack buffer overflow vulnerability in VNC server code inside file transfer request handler, which can result in Denial of Service (DoS). This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in revision 1212.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-023-ultravnc-stack-based-buffer-overflow/ Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf Third Party Advisory
https://www.us-cert.gov/ics/advisories/icsa-20-161-06 Third Party Advisory US Government Resource
Configurations

Configuration 1

cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software/ipc:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software/ipc:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:sinumerik_access_mymachine/p2p:*:*:*:*:*:*:*:*
Information

Published : 2019-03-08 11:29

Updated : 2020-10-22 04:58

NVD link : CVE-2019-8276

Mitre link : CVE-2019-8276

Products Affected
No products.
CWE
CWE-787