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Vulnerability details: VCID-f1db-k28g-aaaj
Vulnerability ID VCID-f1db-k28g-aaaj
Aliases CVE-2018-20019
Summary LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-416 Use After Free
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20019.html
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20019.json
epss 0.03320 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03320 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03320 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03320 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03320 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03567 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03567 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03567 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.03567 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.04475 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.04475 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.04475 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.04475 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.04475 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.10977 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.10977 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.17311 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
epss 0.23573 https://api.first.org/data/v1/epss?cve=CVE-2018-20019
rhbs medium https://bugzilla.redhat.com/show_bug.cgi?id=1661114
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15126
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15127
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20019
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20020
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20021
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20022
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20023
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20024
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6307
cvssv3 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
generic_textual Medium https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-029-libvnc-multiple-heap-out-of-bound-vulnerabilities/
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-20019
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-20019
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2018-20019
generic_textual Medium https://ubuntu.com/security/notices/USN-3877-1
generic_textual Low https://ubuntu.com/security/notices/USN-4547-1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2018/CVE-2018-20019.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20019.json
https://api.first.org/data/v1/epss?cve=CVE-2018-20019
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15126
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15127
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20019
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20020
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20021
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20022
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20023
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20024
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21247
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6307
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-029-libvnc-multiple-heap-out-of-bound-vulnerabilities/
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
https://security.gentoo.org/glsa/201908-05
https://ubuntu.com/security/notices/USN-3877-1
https://ubuntu.com/security/notices/USN-4547-1
https://usn.ubuntu.com/3877-1/
https://usn.ubuntu.com/4547-1/
https://usn.ubuntu.com/4587-1/
https://www.debian.org/security/2019/dsa-4383
1661114 https://bugzilla.redhat.com/show_bug.cgi?id=1661114
916941 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=916941
cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2018-20019 https://nvd.nist.gov/vuln/detail/CVE-2018-20019
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20019.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20019
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20019
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-20019
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.91636
EPSS Score 0.03320
Published At Nov. 28, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.