Medium Severity
Affected system
Java
CVSS
6.5
Component
EP-PIN-WPC
Patch Day
2022-04
Released on
2022/04/12
SAP Note
3148377
Workaround
No
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Advisory

On 12.04.2022 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within Java.

SAP Note 3148377 addresses "[CVE-2022-28217] Missing XML Validation vulnerability in SAP NW EP WPC" to prevent external entity tunneling (xxe) with a medium risk for exploitation.

A workaround does not exist, according to SAP Security Advisory team. It is advisable to implement the correction as part of maintenance, the team suggests.

Risk specification

Some part of SAP NetWeaver (EP Web Page Composer) does not sufficiently validate an XML document accepted from an untrusted source, which allows an adversary to exploit unprotected XML parking at endpoints, and a possibility to conduct SSRF attacks that could compromise system’s availability by causing the system to crash.

Solution

The EP Web Page Composer of SAP NetWeaver is updated to properly validate XML documents.

Affected System

SAP Netweaver Application Server Java is part of the SAP NetWeaver Application Platform. It provides the complete infrastructure for deploying and running Java applications.

The advisory is valid for

 

 

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