CVE-2020-24586 Affecting firmware-nonfree package, versions <20210818-1


Severity

Recommended
0.0
low
0
10

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Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-DEBIAN13-FIRMWARENONFREE-5680305
  • published12 May 2021
  • disclosed11 May 2021

Introduced: 11 May 2021

CVE-2020-24586  (opens in a new tab)

How to fix?

Upgrade Debian:13 firmware-nonfree to version 20210818-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream firmware-nonfree package and not the firmware-nonfree package as distributed by Debian. See How to fix? for Debian:13 relevant fixed versions and status.

The 802.11 standard that underpins Wi-Fi Protected Access (WPA, WPA2, and WPA3) and Wired Equivalent Privacy (WEP) doesn't require that received fragments be cleared from memory after (re)connecting to a network. Under the right circumstances, when another device sends fragmented frames encrypted using WEP, CCMP, or GCMP, this can be abused to inject arbitrary network packets and/or exfiltrate user data.

CVSS Scores

version 3.1