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Vigil@nce - BlueZ: use after free via gatttool disconnect_cb

December 2020 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2

SYNTHESIS OF THE VULNERABILITY

Impacted products: Debian, openSUSE Leap, SLES.

Severity: 2/4.

Consequences: user access/rights, denial of service on client.

Provenance: radio connection.

Confidence: confirmed by the editor (5/5).

Creation date: 22/10/2020.

DESCRIPTION OF THE VULNERABILITY

An attacker can force the usage of a freed memory area via gatttool disconnect_cb() of BlueZ, in order to trigger a denial of service, and possibly to run code.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/...




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