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8.1
CVSSv3

CVE-2018-6307

Published: 19/12/2018 Updated: 31/10/2019
CVSS v2 Base Score: 6.8 | Impact Score: 6.4 | Exploitability Score: 8.6
CVSS v3 Base Score: 8.1 | Impact Score: 5.9 | Exploitability Score: 2.2
VMScore: 605
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
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Vulnerability Summary

LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.

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libvnc project libvncserver

canonical ubuntu linux 18.10

debian debian linux 9.0

debian debian linux 8.0

canonical ubuntu linux 16.04

canonical ubuntu linux 18.04

canonical ubuntu linux 14.04

Vendor Advisories

Debian CVElist Bug Report Logs: libvncserver: Multiple security vulnerabilities
Debian Bug report logs - #916941 libvncserver: Multiple security vulnerabilities Package: libvncserver; Maintainer for libvncserver is Peter Spiess-Knafl <dev@spiessknaflat>; Reported by: Markus Koschany <apo@debianorg> Date: Thu, 20 Dec 2018 18:21:01 UTC Severity: grave Tags: patch, security, upstream Found in ve ...
Ubuntu Security Notice: libvncserver vulnerabilities
Several security issues were fixed in LibVNCServer ...
Red Hat: CVE-2018-6307
LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution ...

References

CWE-416https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-026-libvnc-heap-use-after-free/https://lists.debian.org/debian-lts-announce/2018/12/msg00017.htmlhttps://github.com/LibVNC/libvncserver/issues/241https://usn.ubuntu.com/3877-1/https://www.debian.org/security/2019/dsa-4383https://lists.debian.org/debian-lts-announce/2019/10/msg00042.htmlhttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916941https://usn.ubuntu.com/3877-1/https://nvd.nist.gov
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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