Vigil@nce - snakeyaml: external YAML entity injection
June 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulne...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, DB2 UDB.
Consequences: data reading, denial of service on service.
Confidence: confirmed by the editor (5/5).
Creation date: 27/04/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can transmit malicious YAML data to snakeyaml, in order to read a file, scan sites, or trigger a denial of service.
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