CVE-2021-3716 Affecting qemu-img package, versions <15:6.2.0-11.module+el8.6.0+20659+3dcf7c70


Severity

Recommended
medium

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.1% (45th percentile)

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  • Snyk IDSNYK-ORACLE8-QEMUIMG-2830159
  • published18 May 2022
  • disclosed2 Mar 2022

Introduced: 2 Mar 2022

CVE-2021-3716  (opens in a new tab)

How to fix?

Upgrade Oracle:8 qemu-img to version 15:6.2.0-11.module+el8.6.0+20659+3dcf7c70 or higher.
This issue was patched in ELSA-2022-1759.

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:8 relevant fixed versions and status.

A flaw was found in nbdkit due to to improperly caching plaintext state across the STARTTLS encryption boundary. A MitM attacker could use this flaw to inject a plaintext NBD_OPT_STRUCTURED_REPLY before proxying everything else a client sends to the server, potentially leading the client to terminate the NBD session. The highest threat from this vulnerability is to system availability.

CVSS Scores

version 3.1