CVE-2019-8263

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
UltraVNC revision 1205 has stack-based buffer overflow vulnerability in VNC client code inside ShowConnInfo routine, which leads to a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. User interaction is required to trigger this vulnerability. This vulnerability has been fixed in revision 1206.
Overview
  • CVE ID
  • CVE-2019-8263
  • Assigner
  • vulnerability@kaspersky.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-03-05T15:29:00
  • Last Modified Date
  • 2021-06-28T12:15:08
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:* 1 OR 1.2.2.3
cpe:2.3:a:siemens:sinumerik_access_mymachine\/p2p:*:*:*:*:*:*:*:* 1 OR 4.8
cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\/ipc:*:*:*:*:*:*:*:* 1 OR 14.00
cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\/ipc:*:*:*:*:*:*:*:* 1 OR 12.01
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-010-ultravnc-stack-based-buffer-overflow/ Third Party Advisory
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/ Not Applicable 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
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-8263
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8263
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:45 Added to TrackCVE
2022-12-03 17:48:17 2019-03-05T15:29Z 2019-03-05T15:29:00 CVE Published Date updated
2022-12-03 17:48:17 2021-06-28T12:15:08 CVE Modified Date updated
2022-12-03 17:48:17 Modified Vulnerability Status updated