Multiple vulnerabilities in SAP Business Warehouse

Published: 2021-01-13 | Updated: 2021-05-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-21466 CVE-2021-21465
CWE-ID	CWE-94 CWE-89
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SAP Business Warehouse Server applications / Other server solutions
Vendor	SAP

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

Updated: 11.05.2021

Added additional links to vendor's website.

1) Code Injection

EUVDB-ID: #VU49493

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21466

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote user can send a specially crafted request and execute arbitrary code using a remote enabled function module, create a malicious ABAP report which could be used to get access to sensitive data, to inject malicious UPDATE statements that could have also impact on the operating system, to disrupt the functionality of the SAP system which can thereby lead to a DoS.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

SAP Business Warehouse: 700 - 782

External links

http://i7p.wdf.sap.corp/sap/support/notes/2999854
http://wiki.scn.sap.com/wiki/pages/viewpage.action?pageId=564760476

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) SQL injection

EUVDB-ID: #VU49492

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21465

CWE-ID: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.