Out-of-bounds Read Affecting qemu-img package, versions <2:0.12.1.2-2.506.el6_10.1


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-CENTOS6-QEMUIMG-2151362
  • published26 Jul 2021
  • disclosed25 Dec 2017

Introduced: 25 Dec 2017

CVE-2018-5683  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Centos:6 qemu-img to version 2:0.12.1.2-2.506.el6_10.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Centos. See How to fix? for Centos:6 relevant fixed versions and status.

The vga_draw_text function in Qemu allows local OS guest privileged users to cause a denial of service (out-of-bounds read and QEMU process crash) by leveraging improper memory address validation.

CVSS Scores

version 3.1