sap netweaver-application-server-java CVE-2016-3976 is a vulnerability in SAP Netweaver Application Server Java
Published on April 7, 2016

Directory traversal vulnerability in SAP NetWeaver AS Java 7.1 through 7.5 allows remote attackers to read arbitrary files via a ..\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet, aka SAP Security Note 2234971.

NVD

Known Exploited Vulnerability

This SAP NetWeaver AS Java 7.1 - 7.5 Directory Traversal Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Directory traversal vulnerability in SAP NetWeaver AS Java 7.1 through 7.5 allows remote attackers to read arbitrary files via a ..\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet, aka SAP Security Note 2234971.

The following remediation steps are recommended / required by May 3, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2016-3976 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

What is a Directory traversal Vulnerability?

The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

CVE-2016-3976 has been classified to as a Directory traversal vulnerability or weakness.


Products Associated with CVE-2016-3976

You can be notified by stack.watch whenever vulnerabilities like CVE-2016-3976 are published in these products:

SAP Netweaver Application Server Java
 

What versions of Netweaver Application Server Java are vulnerable to CVE-2016-3976?