Vigil@nce - Apache log4net: external XML entity injection via Configuration Files
July 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora.
Severity: 2/4.
Consequences: data reading, denial of service on service.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 25/05/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can transmit malicious XML data via Configuration
Files to Apache log4net, in order to read a file, scan sites, or
trigger a denial of service.
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