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Vigil@nce - Libgcrypt: information disclosure via ECDSA Timing Attack

September 2019 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...

SYNTHESIS OF THE VULNERABILITY

Impacted products: GnuPG, SLES, Unix (platform) not comprehensive.

Severity: 1/4.

Consequences: data reading.

Provenance: user shell.

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

Creation date: 30/08/2019.

DESCRIPTION OF THE VULNERABILITY

An attacker can bypass access restrictions to data via ECDSA Timing Attack of Libgcrypt, in order to obtain sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

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




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