NULL pointer dereference in Libvnc Project Libvncserver
CVE-2018-20024
LibVNC before commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7 contains null pointer dereference in VNC client code that can result DoS.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.033 (87.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
- Libvnc Project Libvncserver
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Libvnc — versions commit 4a21bbd097ef7c44bb000c3bd0907f96a10e4ce7
Weakness classification (CWE)
References
- www.debian.org/security/2019/dsa-4383 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/12/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-034-li… (Third Party Advisory)
- usn.ubuntu.com/3877-1/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201908-05 (vendor-advisory)
- lists.debian.org/debian-lts-announce/2019/10/msg00042.html (mailing-list)
- lists.debian.org/debian-lts-announce/2019/11/msg00033.html (mailing-list)
- security.gentoo.org/glsa/202006-06 (vendor-advisory)
- usn.ubuntu.com/4547-1/ (vendor-advisory)
- usn.ubuntu.com/4547-2/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-20024?
- CVE-2018-20024 is a high-severity vulnerability in Libvnc Project Libvncserver, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2018-12-19.
- How severe is CVE-2018-20024?
- High severity. CVSS v3 base score is 7.5 out of 10.