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Vigil@nce - GNU binutils: read-write access via smart_rename

April 2021 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert

SYNTHESIS OF THE VULNERABILITY

Impacted products: Fedora.

Severity: 2/4.

Consequences: data reading, data creation/edition, data deletion.

Provenance: user shell.

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

Creation date: 08/02/2021.

DESCRIPTION OF THE VULNERABILITY

An attacker can bypass access restrictions via smart_rename() of
GNU binutils, in order to read or alter data.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/GNU-binutils-read-write-access-via-smart-
rename-34500


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