Vulnerability Monitor

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CVE-2019-8269

UltraVNC revision 1206 has stack-based Buffer overflow vulnerability in VNC client code inside FileTransfer module, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1207.

Published

2019-03-08T23:29:00.657

Last Modified

2024-11-21T04:49:37.033

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-121
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	uvnc	ultravnc	< 1.2.2.3	Yes
Application	siemens	sinumerik_access_mymachine\/p2p	< 4.8	Yes
Application	siemens	sinumerik_pcu_base_win10_software\/ipc	< 14.00	Yes
Application	siemens	sinumerik_pcu_base_win7_software\/ipc	≤ 12.01	Yes

References

https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf Third Party Advisory ([email protected])
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-016-ultravnc-stack-based-buffer-overflow/ Third Party Advisory ([email protected])
https://www.us-cert.gov/ics/advisories/icsa-20-161-06 Third Party Advisory, US Government Resource ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-016-ultravnc-stack-based-buffer-overflow/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.us-cert.gov/ics/advisories/icsa-20-161-06 Third Party Advisory, US Government Resource (af854a3a-2127-422b-91ae-364da2661108)