Mend.io Vulnerability Database

What is a CVE vulnerability ID? icon What is a WS vulnerability ID? icon What is an MSC vulnerability ID? icon
New vulnerability? Tell us about it!
icon

We found results for “”

CVE-2019-20839

Good to know:

icon
icon

Date: June 17, 2020

libvncclient/sockets.c in LibVNCServer before 0.9.13 has a buffer overflow via a long socket filename.

Language: C

Severity Score

Related Resources (19)

https://access.redhat.com/security/cve/CVE-2019-20839
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/
https://security.alpinelinux.org/vuln/CVE-2019-20839
https://github.com/LibVNC/libvncserver/commit/3fd03977c9b35800d73a865f167338cb4d05b0c1
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/
https://security-tracker.debian.org/tracker/CVE-2019-20839
https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf
https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13
https://nvd.nist.gov/vuln/detail/CVE-2019-20839
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20839
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/
https://usn.ubuntu.com/4434-1/
https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html
https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/
https://www.mend.io/vulnerability-database/CVE-2019-20839

Severity Score

Weakness Type (CWE)

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

Top Fix

icon

Upgrade Version

Upgrade to version LibVNCServer-0.9.13

Learn More

CVSS v3.1

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

CVSS v2

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

Do you need more information?

Contact Us