Vigil@nce - LibreOffice: information disclosure by encryption disabling
June 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
An attacker can corrupt an encrypted MS-Office document to be
edited with LibreOffice, in order to disable the encryption on
next save and so get sensitive data.
Impacted products: LibreOffice.
Severity: 1/4.
Consequences: data reading.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 18/05/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can corrupt an encrypted MS-Office document to be
edited with LibreOffice, in order to disable the encryption on
next save and so to get sensitive data.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/LibreOffice-information-disclosure-by-encryption-disabling-32289