Advisory

A note with CVSS 5.3 for component BC-JAS-SEC was released by SAP on 11.07.2023. The correction/advisory 3324732 was described with "[CVE-2023-31405] Log Injection vulnerability in SAP NetWeaver AS for Java (Log Viewer)" and affects the system type Java.

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

The vulnerability addressed is log injection within Java.

Risk specification

Update: This note has been re-released with minor textual changes in the 'Solution' section. SAP NetWeaver AS for Java allows an unauthenticated attacker to craft a request over the network which can result in unwarranted modifications to a system log without user interaction.

Solution

Log Viewer in SAP NetWeaver AS for Java has been updated so that encoding and validation of user input is now added.

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 AS Java Home: SAP Netweaver Application Server Java wiki
A dedicated SAP NetWeaver 7.40 Application Server for Java Security Guide exists.

The advisory is valid for

Releated advisories

Disclaimer

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The advisories found within the SecurityBridge advisory are generated and continuously enriched by our Team at SecurityBridge and affiliated security consultants, partners, customers of the SecurityBridge Platform, SAP support, and advisory groups.

We do not disclose zero-day vulnerabilities unless a security patch has been made available to the public. In such case, the platform only provides details on which version or signature updates are available within the SecurityBridge platform in order to monitor or measure the vulnerability.

In accordance with SAP guidelines, SecurityBridge only discloses issues where the fixing security note has been released. The vulnerability platform makes no references to available exploits or Proof of Concepts (PoC). Advisories and vulnerabilities will always mention the fixing security note or hints to the corresponding SAP documentation.

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Notifications

Affected system Java

CVSS 5.3

Component BC-JAS-SEC

Patch Day2023-07

Released on2023/07/11

SAP Note 3324732

Workaround No

Advisory

Risk specification

Solution

Affected System

Disclaimer

_{Affected system}
Java

_CVSS
5.3

_Component
BC-JAS-SEC

_{Patch Day}
2023-07

_{Released
on}
2023/07/11

_{SAP Note}
3324732

_Workaround
No