Vigil@nce - Exiv2: integer overflow via CiffDirectory-readDirectory
September 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, Ubuntu.
Consequences: user access/rights, denial of service on service, denial of service on client.
Confidence: confirmed by the editor (5/5).
Creation date: 16/07/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an integer overflow via CiffDirectory::readDirectory() of Exiv2, in order to trigger a denial of service, and possibly to run code.
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