Rapid7 Vulnerability & Exploit Database

Amazon Linux AMI 2: CVE-2018-7225: Security patch for libvncserver (ALAS-2018-1012)

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Amazon Linux AMI 2: CVE-2018-7225: Security patch for libvncserver (ALAS-2018-1012)

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
02/19/2018
Created
05/08/2020
Added
04/27/2020
Modified
09/30/2022

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.

Solution(s)

  • amazon-linux-ami-2-upgrade-libvncserver
  • amazon-linux-ami-2-upgrade-libvncserver-debuginfo
  • amazon-linux-ami-2-upgrade-libvncserver-devel

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