Vulnerability in Libvncserver Project
CVE-2020-14399
An issue was discovered in LibVNCServer before 0.9.13. Byte-aligned data is accessed through uint32_t pointers in libvncclient/rfbproto.c. NOTE: there is reportedly "no trust boundary crossed.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.028 (85.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.028 · change: 0.000
Affected products
- Libvncserver Project
- Canonical Ubuntu Linux — versions 16.04, 18.04, 20.04
- Debian Linux — versions 8.0, 9.0
- openSUSE Leap — versions 15.1, 15.2
References
- github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (Release Notes)
- github.com/LibVNC/libvncserver/commit/23e5cbe6b090d7f22982aee909a6a618174d3c2d (Patch)
- lists.debian.org/debian-lts-announce/2020/06/msg00035.html (mailing-list, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4434-1/ (vendor-advisory, Third Party Advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- lists.debian.org/debian-lts-announce/2020/08/msg00045.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-14399?
- CVE-2020-14399 is a high-severity vulnerability in Libvncserver Project. CVSS score: 7.5/10. Published 2020-06-17.
- How severe is CVE-2020-14399?
- High severity. CVSS v3 base score is 7.5 out of 10.