CVE-2018-7226

critical

Description

An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.

References

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

https://github.com/LibVNC/vncterm/issues/6

http://openwall.com/lists/oss-security/2018/02/18/2

Details

Source: Mitre, NVD

Published: 2018-02-19

Updated: 2019-08-09

Risk Information

CVSS v2

Base Score: 7.5

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

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical