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Vigil@nce - UPX: denial of service via PackLinuxElf-elf_hash

February 2020 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability

SYNTHESIS OF THE VULNERABILITY

Impacted products: Fedora.

Severity: 1/4.

Consequences: denial of service on service, denial of service on
client.

Provenance: document.

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

Creation date: 03/02/2020.

DESCRIPTION OF THE VULNERABILITY

An attacker can trigger a fatal error via PackLinuxElf::elf_hash()
of UPX, in order to trigger a denial of service.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/UPX-denial-of-service-via-PackLinuxElf-elf-hash-31492


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