ALAS2-2018-1012


Amazon Linux 2 Security Advisory: ALAS-2018-1012
Advisory Release Date: 2018-05-10 23:57 Pacific
Severity: Medium
References: CVE-2018-7225 

Issue Overview:

Improper input sanitization in rfbProcessClientNormalMessage in rfbserver.c
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.(CVE-2018-7225 )


Affected Packages:

libvncserver


Issue Correction:
Run yum update libvncserver to update your system.

New Packages:
src:
    libvncserver-0.9.9-12.amzn2.src

x86_64:
    libvncserver-0.9.9-12.amzn2.x86_64
    libvncserver-devel-0.9.9-12.amzn2.x86_64
    libvncserver-debuginfo-0.9.9-12.amzn2.x86_64