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Vigil@nce - PowerArchiver: decrypting encrypted archives

March 2014 by Vigil@nce

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

SYNTHESIS OF THE VULNERABILITY

An attacker can decrypt archives created by PowerArchiver, even if
the victim chose the AES algorithm.

Impacted products: PowerArchiver

Severity: 2/4

Creation date: 13/03/2014

DESCRIPTION OF THE VULNERABILITY

The PowerArchiver product can create encrypted archives.

However, when the user presses the "Encrypt Files" button and
wants to use the AES algorithm, PowerArchiver uses the PKZIP
encryption instead (which is known to be breakable).

An attacker can therefore decrypt archives created by
PowerArchiver, even if the victim chose the AES algorithm.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/PowerArchiver-decrypting-encrypted-archives-14418


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