CVE-2018-7225

Public on 2018-02-19
Modified on 2018-05-10
Description
An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.
Severity
Medium severity
Medium
CVSS v3 Base Score
5.4
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Core libvncserver 2018-05-10 ALAS2-2018-1012 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.4 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
NVD CVSSv2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD CVSSv3 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H