Advisory

SAP takes the security of its vast product portfolio very seriously and thus releases security fixes for vulnerabilities reported by external researchers and their customers every second Tuesday of the month.

SAP Note 2917275 was released on 12.05.2020 and deals with "[CVE-2020-6248] Code injection in SAP Adaptive Server Enterprise (Backup Server)" within SAP Adaptive Server Enterprise (ASE) . We advice you to follow the instructions, to resolve code injection with a hot news potential for exploitation in component BC-SYB-ASE.

According to SAP Security Advisory team a workaround exists. It is advisable to implement the correction as part of maintenance.

Risk specification

SAP Adaptive Server Enterprise (ASE) Backup Server does not perform the necessary validation checks for an authenticated user while executing DUMP or LOAD command allowing arbitrary code execution or Code Injection.

Solution

The application input validation checks have been updated to prevent this type of attack. Alternativly, the consulting team has proposed the following: "Mitigation: A potential attacker requires to be the Database Owner (dbo) or a user with dump/load database privilege.". The suggestion may be considered, as a workaround or compensating mitigation. We recommend installing/applying the correction wherever possible and as soon as possible. Base your decision on whether or not to apply the patch on your companies and systems risk perspective and consider the provided CVSS 9.1 score.

The advisory is valid for

SYBASE_ASE_SERVER 16.0 ¹³

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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Notifications

Affected system SAP Adaptive...

CVSS 9.1

Component BC-SYB-ASE

Patch Day2020-05

Released on2020/05/12

SAP Note 2917275

Workaround Yes

Advisory

Risk specification

Solution

Disclaimer

_{Affected system}
SAP Adaptive...

_CVSS
9.1

_Component
BC-SYB-ASE

_{Patch Day}
2020-05

_{Released
on}
2020/05/12

_{SAP Note}
2917275

_Workaround
Yes