CVE-2017-16691 Information

Description

SAP Note Assistant tool (SAP BASIS from 7.00 to 7.02 from 7.10 to 7.11 7.30 7.317.40 from 7.50 to 7.52) supports upload of digitally signed note file of type ‘SAR’. The digital signature verification is done together with the extraction of note file contained in the SAR archive. It is possible to append a tampered file to the SAR archive using SAPCAR tool and during the extraction digital signature verification fails but the tampered file is extracted.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Reference

http://www.securityfocus.com/bid/101822 https://blogs.sap.com/2017/12/12/sap-security-patch-day-december-2017/ https://launchpad.support.sap.com//notes/2546220

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

6.5