CVE-2023-32111 – This vulnerability in SAP PowerDesigner Proxy a... (How to Fix)

Q: What is the severity of CVE-2023-32111?

CVE-2023-32111 has a CVSS score of 7.5 (HIGH). This vulnerability in SAP PowerDesigner Proxy allows remote attackers to crash the proxy server by sending a specially crafted request, causing memory corruption. This results in denial of service, affecting availability of the application. Organizations using SAP PowerDesigner Proxy version 16.7 are affected.

📋 TL;DR

This vulnerability in SAP PowerDesigner Proxy allows remote attackers to crash the proxy server by sending a specially crafted request, causing memory corruption. This results in denial of service, affecting availability of the application. Organizations using SAP PowerDesigner Proxy version 16.7 are affected.

💻 Affected Systems

Products:

SAP PowerDesigner Proxy

Versions: Version 16.7

Operating Systems: All supported platforms

Default Config Vulnerable: ⚠️ Yes

Notes: The proxy component is vulnerable when exposed to network traffic.

📦 What is this software?

Powerdesigner Proxy by Sap

View all CVEs affecting Powerdesigner Proxy →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete unavailability of SAP PowerDesigner Proxy service, disrupting business processes that depend on it.

🟠

Likely Case

Service disruption and downtime requiring manual restart of the proxy server.

🟢

If Mitigated

Limited impact with proper network segmentation and monitoring allowing quick detection and response.

🌐 Internet-Facing: HIGH - Remote attackers can exploit this without authentication from any network location.

🏢 Internal Only: HIGH - Internal attackers or compromised systems can still exploit this vulnerability.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

The vulnerability requires sending a crafted network request but no authentication.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply SAP Security Note 3300624

Vendor Advisory: https://launchpad.support.sap.com/#/notes/3300624

Restart Required: Yes

Instructions:

1. Download the patch from SAP Support Portal. 2. Apply the patch according to SAP documentation. 3. Restart the SAP PowerDesigner Proxy service.

🔧 Temporary Workarounds

Network Segmentation

all

Restrict network access to SAP PowerDesigner Proxy to only trusted sources.

Firewall Rules

all

Implement firewall rules to block unnecessary traffic to the proxy port.

🧯 If You Can't Patch

Implement strict network access controls to limit exposure
Monitor for unusual traffic patterns and implement rate limiting

🔍 How to Verify

Check if Vulnerable:

Check if SAP PowerDesigner Proxy version is 16.7 and if SAP Security Note 3300624 is not applied.

Check Version:

Check SAP PowerDesigner Proxy version through SAP administration tools or system logs.

Verify Fix Applied:

Verify that SAP Security Note 3300624 is applied and the proxy service is running the patched version.

📡 Detection & Monitoring

Log Indicators:

Unexpected proxy service crashes
Memory allocation errors in logs
Unusual network connections to proxy port

Network Indicators:

Crafted requests to proxy port
Traffic patterns indicating DoS attempts

SIEM Query:

source="sap-proxy" AND (event_type="crash" OR error="memory")

📊 Metadata

CVE ID: CVE-2023-32111

CVSS v3 Score: 7.5 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CWE: CWE-787

Published: May 9, 2023

Last Updated: November 21, 2024

🔗 References

https://launchpad.support.sap.com/#/notes/3300624 Permissions Required,Vendor Advisory
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html Vendor Advisory
https://launchpad.support.sap.com/#/notes/3300624 Permissions Required,Vendor Advisory
https://www.sap.com/documents/2022/02/fa865ea4-167e-0010-bca6-c68f7e60039b.html Vendor Advisory

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