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Vigil@nce - exiv2: out-of-bounds memory reading via Exiv2-MrwImage-readMetadata

September 2019 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert

SYNTHESIS OF THE VULNERABILITY

Impacted products: Debian.

Severity: 2/4.

Consequences: data reading, denial of service on service, denial
of service on client.

Provenance: document.

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

Creation date: 22/07/2019.

DESCRIPTION OF THE VULNERABILITY

An attacker can force a read at an invalid address via
Exiv2::MrwImage::readMetadata() of exiv2, in order to trigger a
denial of service, or to obtain sensitive information.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/exiv2-out-of-bounds-memory-reading-via-Exiv2-MrwImage-readMetadata-29842


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