Rapid7 Vulnerability & Exploit Database

Alma Linux: CVE-2017-18922: Important: libvncserver security update (ALSA-2020-3385)

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Alma Linux: CVE-2017-18922: Important: libvncserver security update (ALSA-2020-3385)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
06/30/2020
Created
05/05/2022
Added
05/04/2022
Modified
09/15/2022

Description

It was discovered that websockets.c in LibVNCServer prior to 0.9.12 did not properly decode certain WebSocket frames. A malicious attacker could exploit this by sending specially crafted WebSocket frames to a server, causing a heap-based buffer overflow.

Solution(s)

  • alma-upgrade-libvncserver-devel

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