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Vigil@nce - Python: information disclosure via Punycode/IDNA NFKC Normalization

August 2019 by Vigil@nce

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

SYNTHESIS OF THE VULNERABILITY

Impacted products: Debian, openSUSE Leap, Python, RHEL, SUSE Linux Enterprise Desktop, SLES.

Severity: 2/4.

Consequences: data reading.

Provenance: internet client.

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

Creation date: 21/06/2019.

DESCRIPTION OF THE VULNERABILITY

An attacker can bypass access restrictions to data via Punycode/IDNA NFKC Normalization of Python, in order to obtain sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

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




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