Vulnerability in Libvnc Project Libvncserver
CVE-2018-21247
An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.
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:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.025 (83.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 84th percentile — 83.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.025 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13 (Patch, Third Party Advisory)
- github.com/LibVNC/libvncserver/issues/253 (Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-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)
- cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-21247?
- CVE-2018-21247 is a high-severity vulnerability in Libvnc Project Libvncserver, classified under CWE-909. CVSS score: 7.5/10. Published 2020-06-17.
- How severe is CVE-2018-21247?
- High severity. CVSS v3 base score is 7.5 out of 10.