CVEvulnerability
CVE-2018-6307
8.1 HIGH
Official page ↗
- Status
- Modified
- Published
- 2018-12-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 8.1 HIGH — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-416
Description
LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension 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-416 Use After Free weakness
References
- 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://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://www.debian.org/security/2019/dsa-4383 Third Party Advisory
- https://github.com/LibVNC/libvncserver/issues/241 Third Party Advisory
- 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://lists.debian.org/debian-lts-announce/2019/10/msg00042.html lists.debian.org
- https://usn.ubuntu.com/3877-1/ Third Party Advisory
- https://www.debian.org/security/2019/dsa-4383 Third Party Advisory