Vigil@nce - Exiv2: integer overflow via PngImage-readMetadata
October 2019 by Vigil@nce
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora.
Consequences: user access/rights, denial of service on service, denial of service on client.
Confidence: confirmed by the editor (5/5).
Creation date: 09/08/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an integer overflow via PngImage::readMetadata() of Exiv2, in order to trigger a denial of service, and possibly to run code.
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