Improper input validation in SAP Business Application Software Integrated Solution
CVE-2017-16691
SAP Note Assistant tool (SAP BASIS from 7.00 to 7.02, from 7.10 to 7.11, 7.30, 7.31,7.40, 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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.013 (67.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
Affected products
- Sap Business_application_software_integrated_solution — versions 7.00, 7.01, 7.02
- Sap Note Assistant — versions SAP BASIS from 7.00 to 7.02, from 7.10 to 7.11, 7.30, 7.31,7.40, from 7.50 to 7.52
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@sap.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
- cna@sap.com (Vendor Advisory, Permissions Required, x_refsource_CONFIRM)
- cna@sap.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-16691?
- CVE-2017-16691 is a medium-severity vulnerability in SAP Business Application Software Integrated Solution, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-12-12.
- How severe is CVE-2017-16691?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2017-16691 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.