Multiple Vulnerabilities in SAP Products Could Allow for Remote Code Execution

by CIRT Team

15 Jun 2021

in Security Advisories & Alerts

No Comments

1321

DESCRIPTION:
Multiple vulnerabilities have been discovered in SAP products, the most
severe of which could allow for remote code execution. SAP is a software
company which creates software to manage business operations and
customer relations. Successful exploitation of the most severe of these
vulnerabilities could allow an unauthenticated, remote attacker to
execute code on the affected systems. Depending on the privileges
associated with the application, an attacker could then install
programs; view, change, or delete data; or create new accounts with full
user rights. Applications configured to have fewer restrictions on the
system could be less impacted than those who operate with elevated
privileges.

IMPACT:
Multiple vulnerabilities have been discovered in SAP products, the most
severe of which could allow for remote code execution. Details of these
vulnerabilities are as follows:

* Remote Code Execution vulnerability in Source Rules that affects SAP
Commerce (CVE-2021-27602)
* Improper Authentication in SAP NetWeaver ABAP Server and ABAP Platform
(CVE-2021-27610)
* Missing XML Validation in SAP NetWeaver AS for JAVA (CVE-2021-27635)
* Multiple memory corruption vulnerabilities in SAP NetWeaver ABAP
Server and ABAP Platform (CVE-2021-27606, CVE-2021-27629,
CVE-2021-27630, CVE-2021-27631, CVE-2021-27632, CVE-2021-27597,
CVE-2021-27633, CVE-2021-27634, CVE-2021-27607, CVE-2021-27628)
* Information Disclosure vulnerability in SAP Business One (CVE-2021-33662)
* Cross-Site Scripting (XSS) vulnerability in SAP Manufacturing
Execution (CVE-2021-27615)
* Missing Authorization check in SAP NetWeaver AS ABAP and ABAP Platform
(CVE-2021-21473)
* Cross-Site Scripting (XSS) vulnerability in SAP Netweaver AS for ABAP
(Web Survey) (CVE-2021-21490)
* Multiple memory corruption vulnerabilities in SAP IGS (CVE-2021-27620,
CVE-2021-27622, CVE-2021-27623, CVE-2021-27624, CVE-2021-27625,
CVE-2021-27626, CVE-2021-27627)
* Information Disclosure in SAP Enable Now (SAP Workforce Performance
Builder – Manager) (CVE-2021-27637)
* Plaintext command injection in SAP NetWeaver AS ABAP (CVE-2021-33663)
* Information Disclosure in SAP NetWeaver AS JAVA (UserAdmin
Application) (CVE-2021-27621)
* Cross-Site Scripting (XSS) vulnerability within SAP NetWeaver AS ABAP
(Applications based on Web Dynpro ABAP) (CVE-2021-33664)
* Cross-Site Scripting (XSS) vulnerability within SAP NetWeaver AS ABAP
(Applications based on SAP GUI for HTML) (CVE-2021-33665)
* MIME Sniffing Vulnerability in SAP Commerce Cloud (CVE-2021-33666)
* Multiple improper input validation vulnerabilities in SAP 3D Visual
Enterprise Viewer (CVE-2021-27638, CVE-2021-27639, CVE-2021-27640,
CVE-2021-33659, CVE-2021-27642, CVE-2021-33661, CVE-2021-27641,
CVE-2021-27643, CVE-2021-33660)
* Missing Authorization check in HCM Travel Management Fiori Apps V2
(CVE-2021-27605)

Successful exploitation of the most severe of these vulnerabilities
could allow an authenticated, remote attacker to execute code on the
affected systems. Depending on the privileges associated with the
application, an attacker could then install programs; view, change, or
delete data; or create new accounts with full user rights. Applications
configured to have fewer restrictions on the system could be less
impacted than those who operate with elevated privileges.

SYSTEM AFFECTED:
* SAP Commerce, Versions – 1808, 1811, 1905, 2005, 2011
* SAP NetWeaver AS ABAP and ABAP Platform, Versions – 700, 701, 702,
731, 740, 750, 751, 752, 753, 754, 755, 804
* SAP NetWeaver AS for JAVA, Versions – 7.20, 7.30, 7.31, 7.40, 7.50
* SAP NetWeaver AS for ABAP (RFC Gateway), Versions – KRNL32NUC –
7.22,7.22EXT, KRNL64NUC – 7.22,7.22EXT,7.49, KRNL64UC –
8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL –
7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83
* SAP NetWeaver ABAP Server and ABAP Platform (Enqueue Server), Versions
– KRNL32NUC – 7.22,7.22EXT, KRNL64NUC – 7.22,7.22EXT,7.49, KRNL64UC –
8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL – 7.22,8.04,7.49,7.53,7.73
* SAP NetWeaver ABAP Server and ABAP Platform (Dispatcher), Versions –
KRNL32NUC – 7.22,7.22EXT, KRNL32UC – 7.22,7.22EXT, KRNL64NUC –
7.22,7.22EXT,7.49, KRNL64UC – 8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL –
7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83
* SAP Business One, Version – 10.0
* SAP Manufacturing Execution, Versions – 15.1, 1.5.2, 15.3, 15.4
* SAP NetWeaver AS ABAP and ABAP Platform (SRM_RFC_SUBMIT_REPORT),
Versions – 700, 702, 710, 711, 730, 731, 740, 750, 751, 752, 753, 754, 755
* SAP NetWeaver AS for ABAP (Web Survey), Versions – 700, 702, 710, 711,
730, 731, 750, 750, 752, 75A, 75F
* SAP NetWeaver AS (Internet Graphics Server – Portwatcher), Versions –
7.20,7.20EXT,7.53,7.20_EX2,7.81
* SAP Enable Now (SAP Workforce Performance Builder – Manager), Versions
– 10.0, 1.0
* SAP NetWeaver AS ABAP, Versions – KRNL32NUC – 7.22,7.22EXT, KRNL32UC –
7.22,7.22EXT, KRNL64NUC – 7.22,7.22EXT,7.49, KRNL64UC –
8.04,7.22,7.22EXT,7.49,7.53,7.73, KERNEL –
7.22,8.04,7.49,7.53,7.73,7.77,7.81,7.82,7.83,7.84
* SAP NetWeaver AS for Java (UserAdmin), Versions –
7.11,7.20,7.30,7.31,7.40,7.50
* SAP NetWeaver Application Server ABAP (Applications based on Web
Dynpro ABAP), Versions – SAP_UI – 750,752,753,754,755, SAP_BASIS – 702, 31
* SAP NetWeaver Application Server ABAP (Applications based on SAP GUI
for HTML), Versions – KRNL64NUC – 7.49, KRNL64UC – 7.49,7.53, KERNEL –
7.49,7.53,7.77,7.81,7.84
* SAP Commerce Cloud, Version – 100
* SAP 3D Visual Enterprise Viewer, Version – 9
* SAP Fiori Apps 2.0 for Travel Management in SAP ERP, Version – 608

RECOMMENDATIONS:
We recommend the following actions be taken:

* Apply appropriate updates provided by SAP to vulnerable systems,
immediately after appropriate testing.
* Run all software as a non-privileged user (one without administrative
privileges) to diminish the effects of a successful attack.
* Remind users not to visit un-trusted websites or follow links provided
by unknown or un-trusted sources.
* Inform and educate users regarding threats posed by hypertext links
contained in emails or attachments, especially from un-trusted sources.
* Apply the Principle of Least Privilege to all systems and services.

info@cirt.gov.bd

+88-02-550071 83-86

Multiple Vulnerabilities in SAP Products Could Allow for Remote Code Execution

by CIRT Team

15 Jun 2021

in Security Advisories & Alerts

No Comments

1321

CIRT Team

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