CVE-2024-47588

4.7 MEDIUM

📋 TL;DR

This vulnerability in SAP NetWeaver Java Software Update Manager 1.1 exposes credentials in plaintext log files when software upgrades encounter errors. Attackers with local access and non-administrative authentication can read these logs to steal credentials. Only affects SAP NetWeaver Java systems using Software Update Manager 1.1.

💻 Affected Systems

Products:
  • SAP NetWeaver Java
Versions: Software Update Manager 1.1
Operating Systems: All supported OS for SAP NetWeaver
Default Config Vulnerable: ⚠️ Yes
Notes: Only vulnerable when software upgrades encounter errors that trigger credential logging. Requires Software Update Manager 1.1 specifically.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers gain administrative credentials, leading to complete system compromise, data exfiltration, and lateral movement within the SAP environment.

🟠

Likely Case

Local authenticated users escalate privileges by obtaining credentials from log files, potentially gaining administrative access to the SAP system.

🟢

If Mitigated

With proper access controls and log monitoring, impact is limited to credential exposure without successful exploitation.

🌐 Internet-Facing: LOW - Requires local access to the server, not directly exploitable over the internet.
🏢 Internal Only: HIGH - Internal attackers with local access and basic authentication can exploit this to escalate privileges significantly.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires local access and basic authentication. Attackers simply need to read log files containing exposed credentials.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Apply SAP Note 3522953

Vendor Advisory: https://me.sap.com/notes/3522953

Restart Required: Yes

Instructions:

1. Download SAP Note 3522953 from SAP Support Portal. 2. Apply the patch to affected SAP NetWeaver Java systems. 3. Restart the SAP system to implement the fix. 4. Verify no credentials remain in log files.

🔧 Temporary Workarounds

Restrict Log File Access

linux

Set strict file permissions on log directories to prevent non-administrative users from reading log files.

chmod 640 /path/to/sap/logs/*
chown root:sapadm /path/to/sap/logs/*

Monitor Log Files for Credentials

all

Implement regular scanning of log files for credential patterns and alert on detection.

grep -r 'password\|credential\|pwd' /path/to/sap/logs/

🧯 If You Can't Patch

  • Implement strict access controls on log directories to prevent non-administrative users from reading files.
  • Deploy file integrity monitoring to detect unauthorized access to log files and alert on credential exposure.

🔍 How to Verify

Check if Vulnerable:

Check if Software Update Manager 1.1 is installed and review log files for plaintext credentials after failed upgrades.

Check Version:

Check SAP system version and Software Update Manager version via SAP transaction SM51 or system administration tools.

Verify Fix Applied:

Verify SAP Note 3522953 is applied and test that credentials are no longer written to log files during upgrade errors.

📡 Detection & Monitoring

Log Indicators:

  • Plaintext credentials appearing in log files, especially during software upgrade failures
  • Unauthorized access attempts to log directories

Network Indicators:

  • Unusual authentication patterns from previously non-privileged users

SIEM Query:

source="sap_logs" AND ("password" OR "credential" OR "pwd") AND event_type="error"

🔗 References

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