Use After Free Affecting usbredir package, versions <0.12.0-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-ALPINE321-USBREDIR-8490024
  • published6 Dec 2024
  • disclosed24 Feb 2022

Introduced: 24 Feb 2022

CVE-2021-3700  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Alpine:3.21 usbredir to version 0.12.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream usbredir package and not the usbredir package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

A use-after-free vulnerability was found in usbredir in versions prior to 0.11.0 in the usbredirparser_serialize() in usbredirparser/usbredirparser.c. This issue occurs when serializing large amounts of buffered write data in the case of a slow or blocked destination.

CVSS Scores

version 3.1