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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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

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Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

OR	cpe:2.3:a:siemens:sinumerik_access_mymachine\/p2p::::::::
	cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\/ipc::::::::
	cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\/ipc::::::::

Information

Published : 2019-03-08 15:29

Updated : 2020-10-22 09:58

NVD link : CVE-2019-8276

Mitre link : CVE-2019-8276

JSON object : View

CWE

CWE-787

Out-of-bounds Write

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Products Affected

siemens

sinumerik_pcu_base_win10_software\/ipc
sinumerik_access_mymachine\/p2p
sinumerik_pcu_base_win7_software\/ipc

uvnc

ultravnc

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