Medium Severity
Affected system
Java
CVSS
5.4
Component
BC-JAS-SEC
Patch Day
2020-12
Released on
2020/12/08
SAP Note
2971163
Workaround
No
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Releated advisories

Advisory

On 08.12.2020 a security relevant correction has been released by SAP SE. The manufacturer resolves an issue within Java.

SAP Note 2971163 addresses "[CVE-2020-26816] Missing Encryption in SAP NetWeaver AS Java (Key Storage Service)" to prevent missing security function 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

This note has been re-released with updated ‘Support Packages & Patches’ information. The key material in the SAP NetWeaver AS Java Keystore service that is stored in database as DER encoded format is not encrypted. This enables an attacker with administrator access to decode the keys and get some application data and client credentials of adjacent systems.

Solution

After the next system restart, the Key Storage data will be encrypted.

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

 

Releated advisories
 

Disclaimer

SecurityBridge takes the security of SAP products very seriously. We very much encourage the responsible disclosure of security vulnerabilities. If you have detected a vulnerability concerning one of the SAP software products – either in the latest or in a former product version follow the guidelines and processes in accordance with the SAP portal page “Report a Security Vulnerability to SAP”.

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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