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vulnerability note CVE-2018-19210

LibTIFF: NULL pointer dereference via TIFFRewriteDirectory

Synthesis of the vulnerability

Impacted products: LibTIFF, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 13/11/2018.
Identifiers: 2820, CVE-2018-19210, openSUSE-SU-2018:4053-1, openSUSE-SU-2018:4256-1, SUSE-SU-2018:4008-1, SUSE-SU-2018:4191-1, VIGILANCE-VUL-27764.

Description of the vulnerability

An attacker can force a NULL pointer to be dereferenced via TIFFRewriteDirectory() of LibTIFF, in order to trigger a denial of service.
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