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Incorrect Authorization Affecting bluez package, versions *

low

Snyk CVSS

    Attack Complexity High
    Confidentiality High
    Integrity High
    Availability High
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NVD
7.5 high
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Red Hat
7.5 high

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  • Snyk ID SNYK-DEBIAN11-BLUEZ-2413728
  • published 27 May 2021
  • disclosed 24 May 2021
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Introduced: 24 May 2021

CVE-2020-26557 Open this link in a new tab
CWE-863 Open this link in a new tab

How to fix?

There is no fixed version for Debian:11 bluez.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bluez package and not the bluez package as distributed by Debian:11. See How to fix? for Debian:11 relevant fixed versions and status.

Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device (without possession of the AuthValue used in the provisioning protocol) to determine the AuthValue via a brute-force attack (unless the AuthValue is sufficiently random and changed each time).

References