CVEvulnerability
CVE-2018-20020
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2018-12-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 9.8 CRITICAL — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-787
Description
LibVNC before commit 7b1ef0ffc4815cab9a96c7278394152bdc89dc4d contains heap out-of-bound write vulnerability inside structure in VNC client code that can result remote code execution
Affected configurations
• libvnc project libvncserver (< 0.9.12)
• canonical ubuntu linux 14.04
• canonical ubuntu linux 16.04
• canonical ubuntu linux 18.04
• canonical ubuntu linux 18.10
• debian debian linux 8.0
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-030-libvnc-heap-out-of-bound-write/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html lists.debian.org
- https://security.gentoo.org/glsa/201908-05 security.gentoo.org
- https://security.gentoo.org/glsa/202006-06 security.gentoo.org
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4547-2/ usn.ubuntu.com
- https://usn.ubuntu.com/4587-1/ usn.ubuntu.com
- https://www.debian.org/security/2019/dsa-4383 Third Party Advisory
- https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-030-libvnc-heap-out-of-bound-write/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://lists.debian.org/debian-lts-announce/2019/11/msg00033.html lists.debian.org
- https://security.gentoo.org/glsa/201908-05 security.gentoo.org
- https://security.gentoo.org/glsa/202006-06 security.gentoo.org
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://usn.ubuntu.com/4547-1/ usn.ubuntu.com
- https://usn.ubuntu.com/4547-2/ usn.ubuntu.com
- https://usn.ubuntu.com/4587-1/ usn.ubuntu.com
- https://www.debian.org/security/2019/dsa-4383 Third Party Advisory