Out-of-bounds Read Affecting qemu-img package, versions <15:4.2.1-4.el7


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.8% (82nd percentile)

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  • Snyk IDSNYK-ORACLE7-QEMUIMG-2598274
  • published10 Apr 2022
  • disclosed9 Jul 2020

Introduced: 9 Jul 2020

CVE-2020-10756  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Oracle:7 qemu-img to version 15:4.2.1-4.el7 or higher.
This issue was patched in ELSA-2021-9034.

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 Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in the icmp6_send_echoreply() routine while replying to an ICMP echo request, also known as ping. This flaw allows a malicious guest to leak the contents of the host memory, resulting in possible information disclosure. This flaw affects versions of libslirp before 4.3.1.

CVSS Scores

version 3.1