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XXE DoS in configuration import #2

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prodigysml opened this issue Dec 13, 2017 · 1 comment
Closed

XXE DoS in configuration import #2

prodigysml opened this issue Dec 13, 2017 · 1 comment

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@prodigysml
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Issue

An appropriately placed attacker can upload a ZIP file with XML files within it. If these XML files contain the payload from billion laughs attack (https://en.wikipedia.org/wiki/Billion_laughs_attack), a denial of service scenario can be created.

Remediation

Before loading the XML into memory, use libxml_disable_entity_loader(true); to ensure no entities can affect your import

@OS-WS
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OS-WS commented Apr 21, 2021

Hi @prodigysml ,
This issue was assigned with CVE-2017-1000496.
Was this issue ever assigned/fixed?
If so, in what commit?

@EofChris EofChris closed this as completed Mar 9, 2023
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