CVE-2019-8270

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
UltraVNC revision 1210 has out-of-bounds read vulnerability in VNC client code inside Ultra decoder, which results in a denial of service (DoS) condition. This attack appear to be exploitable via network connectivity. This vulnerability has been fixed in revision 1211.
Overview
  • CVE ID
  • CVE-2019-8270
  • Assigner
  • vulnerability@kaspersky.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2019-03-08T23:29:00
  • Last Modified Date
  • 2020-06-12T21:15:10
Weakness Enumerations
CWE URL
CWE-125 http://cwe.mitre.org/data/definitions/125.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:* 1 OR 1.2.2.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-017-ultravnc-out-of-bounds-read/ Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-927095.pdf
https://www.us-cert.gov/ics/advisories/icsa-20-161-06
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-8270
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-8270
History
Created Old Value New Value Data Type Notes
2022-05-10 16:42:44 Added to TrackCVE
2022-12-03 18:04:22 2019-03-08T23:29Z 2019-03-08T23:29:00 CVE Published Date updated
2022-12-03 18:04:22 2020-06-12T21:15:10 CVE Modified Date updated
2022-12-03 18:04:22 Modified Vulnerability Status updated