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Vigil@nce - tcpflow: out-of-bounds memory reading via setbit

May 2019 by Vigil@nce

SYNTHESIS OF THE VULNERABILITY

Impacted products: Fedora, Ubuntu.

Severity: 2/4.

Consequences: data reading, denial of service on service.

Provenance: internet client.

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

Creation date: 22/03/2019.

DESCRIPTION OF THE VULNERABILITY

An attacker can force a read at an invalid address via setbit() of tcpflow, in order to trigger a denial of service, or to obtain sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

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




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