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Alpine Linux: CVE-2019-17020: Improper Restriction of XML External Entity Reference

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Alpine Linux: CVE-2019-17020: Improper Restriction of XML External Entity Reference

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
01/08/2020
Created
08/23/2024
Added
08/22/2024
Modified
10/02/2024

Description

If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to the XML document. This vulnerability affects Firefox < 72.

Solution(s)

  • alpine-linux-upgrade-firefox

References

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