CVE-2016-3976

published 2016-04-07

CVE-2016-3976: 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…

Priority P1 83 high 7.5 CVSS 3.1

AV N AC L PR N UI N S U C H I N A N

KEV ITW EXPLOIT

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.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
sap	netweaver_application_server_java	7.10 – 7.50	—

Detection & IOCs extracted from sources · hover to see the quote

path /CrashFileDownloadServlet↗

• → Detect HTTP GET requests to CrashFileDownloadServlet containing dot-dot-backslash (..\) sequences in the fileName parameter, indicating directory traversal attempts. ↗
• → No authentication is required to exploit this vulnerability; alert on any unauthenticated requests to CrashFileDownloadServlet from external/internet-facing sources. ↗

• · Other versions beyond 7.1–7.5 may also be affected and should be assessed, as only this range was confirmed tested. ↗

CVSS provenance

nvd v3.1 7.5 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd v2.0 5.0 MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:N

vulncheck 7.5 HIGH

cisa 7.5 HIGH

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