CVE-2019-20839

high

Description

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

References

https://usn.ubuntu.com/4434-1/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NVP7TJVYJDXDFRHVQ3ENEN3H354QPXEZ/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/

https://lists.debian.org/debian-lts-announce/2020/08/msg00045.html

https://lists.debian.org/debian-lts-announce/2020/06/msg00035.html

https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13

https://github.com/LibVNC/libvncserver/commit/3fd03977c9b35800d73a865f167338cb4d05b0c1

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

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html

Details

Source: Mitre, NVD

Published: 2020-06-17

Updated: 2023-11-07

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High