Use After Free in Libvnc_project Libvncserver
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.
Vulnerability class: Use-After-Free
EPSS: 0.265 (97.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Libvnc_project Libvncserver
- Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
- Debian Debian_linux — versions 8.0, 9.0
- N/a Libvnc — versions commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b
Weakness classification (CWE)
References
- vulnerability@kaspersky.com (Third Party Advisory, x_refsource_MISC)
- vulnerability@kaspersky.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- vulnerability@kaspersky.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- vulnerability@kaspersky.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- vulnerability@kaspersky.com (mailing-list, x_refsource_MLIST)
- nvd@nist.gov (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-6307?
- CVE-2018-6307 is a high-severity vulnerability in Libvnc_project Libvncserver, classified under Use After Free. CVSS score: 8.1/10. Published 2018-12-19.
- How severe is CVE-2018-6307?
- High severity. CVSS v3 base score is 8.1 out of 10.