CVE-2018-6307

CVSS V2 Medium 6.8 CVSS V3 High 8.1
Description
LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.
Overview
  • CVE ID
  • CVE-2018-6307
  • Assigner
  • vulnerability@kaspersky.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-12-19T16:29:00
  • Last Modified Date
  • 2019-10-31T01:15:15
Weakness Enumerations
CWE URL
CWE-416 http://cwe.mitre.org/data/definitions/416.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:* 1 OR 0.9.12
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* 1 OR
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.2
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-026-libvnc-heap-use-after-free/ Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html Mailing List Third Party Advisory
https://github.com/LibVNC/libvncserver/issues/241 Third Party Advisory
https://usn.ubuntu.com/3877-1/ Third Party Advisory
https://www.debian.org/security/2019/dsa-4383 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-6307
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6307
History
Created Old Value New Value Data Type Notes
2022-05-10 17:00:30 Added to TrackCVE
2022-12-03 15:29:49 2018-12-19T16:29Z 2018-12-19T16:29:00 CVE Published Date updated
2022-12-03 15:29:49 2019-10-31T01:15:15 CVE Modified Date updated
2022-12-03 15:29:49 Modified Vulnerability Status updated