Vigil@nce - OpenSSL: information disclosure via ChaCha20-Poly1305 Long Nonces
March 2019 by Vigil@nce
This bulletin was written by Vigil@nce :
https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: OpenSSL, SLES.
Severity: 1/4.
Consequences: data reading.
Provenance: internet client.
Confidence: confirmed by the editor (5/5).
Creation date: 06/03/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass access restrictions to data via
ChaCha20-Poly1305 Long Nonces of OpenSSL, in order to obtain
sensitive information.
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