2021-38570 | Foxit PhantomPDF/Reader Installation symlink

By Max On Aug 16, 2021

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6.9	$0-$5k	0.28

A vulnerability, which was classified as critical, has been found in Foxit PhantomPDF and Reader up to 10.1.3 (Document Reader Software). This issue affects an unknown part of the component Installation. The manipulation with an unknown input leads to a privilege escalation vulnerability. Using CWE to declare the problem leads to CWE-61. Impacted is integrity, and availability. The summary by CVE is:

An issue was discovered in Foxit Reader and PhantomPDF before 10.1.4. It allows attackers to delete arbitrary files (during uninstallation) via a symlink.

The weakness was shared 08/12/2021. It is possible to read the advisory at foxitsoftware.com. The identification of this vulnerability is CVE-2021-38570 since 08/11/2021. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 10.1.4 eliminates this vulnerability.

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