Vigil@nce - pngcheck: buffer overflow via check_chunk_name
January 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, openSUSE Leap, SLES.
Consequences: user access/rights, denial of service on service, denial of service on client.
Confidence: confirmed by the editor (5/5).
Creation date: 23/11/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a buffer overflow via check_chunk_name() of pngcheck, in order to trigger a denial of service, and possibly to run code.
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