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CVE-2018-20019

Good to know:

Date: December 19, 2018

LibVNC before commit a83439b9fbe0f03c48eb94ed05729cb016f8b72f contains multiple heap out-of-bound write vulnerabilities in VNC client code that can result remote code execution

Language: C

Severity Score

9.8

Related Resources (13)

Url: https://usn.ubuntu.com/3877-1/

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-20019

Url: https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-029-libvnc-multiple-heap-out-of-bound-vulnerabilities/

Url: https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html

Url: https://usn.ubuntu.com/4547-1/

Url: https://access.redhat.com/security/cve/CVE-2018-20019

Url: https://usn.ubuntu.com/4587-1/

Url: https://www.debian.org/security/2019/dsa-4383

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-20019

Url: https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf

Url: https://security.gentoo.org/glsa/201908-05

Url: https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html

Url: https://www.mend.io/vulnerability-database/CVE-2018-20019

Severity Score

9.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

Top Fix

Upgrade Version

Upgrade to version LibVNCServer-0.9.12

CVSS v3.1

Base Score:	9.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	7.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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