Vulnerability Details : CVE-2018-20019
LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution
Vulnerability category: Memory CorruptionExecute code
Products affected by CVE-2018-20019
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_itc1900_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_itc1900_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20019
3.57%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 91 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20019
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2018-20019
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20019
-
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
[SECURITY] [DLA 1617-1] libvncserver security updateMailing List;Third Party Advisory
-
https://usn.ubuntu.com/4587-1/
USN-4587-1: iTALC vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
[SECURITY] [DLA 1979-1] italc security updateMailing List;Third Party Advisory
-
https://www.debian.org/security/2019/dsa-4383
Debian -- Security Information -- DSA-4383-1 libvncserverThird Party Advisory
-
https://security.gentoo.org/glsa/201908-05
LibVNCServer: Multiple vulnerabilities (GLSA 201908-05) — Gentoo securityThird Party Advisory
-
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
Patch;Third Party Advisory
-
https://usn.ubuntu.com/4547-1/
USN-4547-1: iTALC vulnerabilities | Ubuntu security notices | UbuntuThird Party Advisory
-
https://usn.ubuntu.com/3877-1/
USN-3877-1: LibVNCServer vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-029-libvnc-multiple-heap-out-of-bound-vulnerabilities/
KLCERT-18-029: LibVNC Multiple Heap Out-of-Bound Vulnerabilities | Kaspersky Lab ICS CERTBroken Link
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