Advisory

A note with CVSS 5.9 for component BC-FES-IGS was released by SAP on 08.06.2021. The correction/advisory 3021050 was described with "[Multiple CVEs] Memory Corruption vulnerability in SAP Internet Graphics Service" and affects the system type Internet Graphics Service.

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 denial of service (dos) within Internet Graphics Service.

Denial of Service (DoS) attacks that take a system offline may lead to significant cost for the company, studies quantify the costs in average between 4 and 5 millions dollars. Business continuity requires SAP systems staying online. The CVSS scores or vulnerability descriptions are not enough to represent how a simple bug can lead to a significant loss for companies.

Risk specification

An unauthenticated attacker after retrieving an existing system state value can submit a malicious IGS request over a network which due to insufficient input validation will trigger an internal memory corruption error in the system causing the system to crash and rendering it unavailable. See CVE-2021-27620, CVE-2021-27622, CVE-2021-27623, CVE-2021-27624, CVE-2021-27625, CVE-2021-27626 and CVE-2021-27627

Solution

SAP IGS is hardened against memory corruption errors.

The advisory is valid for

BC-FES-IGS 7.20
BC-FES-IGS 7.20EXT
BC-FES-IGS 7.20_EX2
BC-FES-IGS 7.53
BC-FES-IGS 7.81

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.

SecurityBridge - Smart connector SAP to SIEM

SmartConnector ^{SAP© to SIEM}
Enable your global monitoring to detect malicious action in SAP systems to protect your company against Cross-Site Scripting (XSS) or Denial of service (DoS) attacks.

Follow @_securitybridge

Notifications

Affected system Internet Graphics Service

CVSS 5.9

Component BC-FES-IGS

Patch Day2021-06

Released on2021/06/08

SAP Note 3021050

Workaround No

Advisory

Risk specification

Solution

Disclaimer

_{Affected system}
Internet Graphics Service

_CVSS
5.9

_Component
BC-FES-IGS

_{Patch Day}
2021-06

_{Released
on}
2021/06/08

_{SAP Note}
3021050

_Workaround
No