2020-11987 | Oracle Fusion Middleware MapViewer Apache Batik input validation

By Max On Jul 24, 2021

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6.4	$0-$5k	0.26

A vulnerability was found in Oracle Fusion Middleware MapViewer 12.2.1.4.0 (Middleware). It has been declared as critical. Affected by this vulnerability is some unknown functionality of the component Apache Batik. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-20. As an impact it is known to affect integrity. The summary by CVE is:

Apache Batik 1.13 is vulnerable to server-side request forgery, caused by improper input validation by the NodePickerPanel. By using a specially-crafted argument, an attacker could exploit this vulnerability to cause the underlying server to make arbitrary GET requests.

The weakness was published 07/20/2021 as Oracle Critical Patch Update Advisory – July 2021. The advisory is shared at oracle.com. This vulnerability is known as CVE-2020-11987 since 04/21/2020. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn’t need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/24/2021).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

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