CVE-2025-10438

8.6 HIGH

📋 TL;DR

This path traversal vulnerability in Yordam Katalog software allows attackers to access files outside the intended directory by manipulating file paths with sequences like 'dir/../../filename'. It affects all Yordam Katalog installations before version 21.7.

💻 Affected Systems

Products:
  • Yordam Katalog
Versions: All versions before 21.7
Operating Systems: All supported platforms
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all installations with default configurations. The vulnerability is in the application's file handling logic.

⚠️ 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 could read sensitive system files, configuration files, or source code, potentially leading to full system compromise if combined with other vulnerabilities.

🟠

Likely Case

Unauthorized access to application files, configuration data, or other sensitive information stored on the server.

🟢

If Mitigated

Limited impact with proper file system permissions and web server security controls in place.

🌐 Internet-Facing: HIGH - Web applications with path traversal vulnerabilities are prime targets for automated scanning and exploitation.
🏢 Internal Only: MEDIUM - Internal attackers could still exploit this to access sensitive data or escalate privileges.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Path traversal vulnerabilities typically require minimal technical skill to exploit using standard directory traversal techniques.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 21.7 or later

Vendor Advisory: https://www.usom.gov.tr/bildirim/tr-25-0296

Restart Required: Yes

Instructions:

1. Download Yordam Katalog version 21.7 or later from official vendor sources. 2. Backup current installation and data. 3. Install the updated version following vendor documentation. 4. Restart the application service.

🔧 Temporary Workarounds

Web Server Input Validation

all

Configure web server to reject requests containing directory traversal sequences

# For Apache: Add to .htaccess or httpd.conf
RewriteCond %{REQUEST_URI} \.\./ [OR]
RewriteCond %{REQUEST_URI} \.\.\\
RewriteRule .* - [F]

File System Permissions Restriction

linux

Limit application user permissions to only necessary directories

# Linux example
chmod 750 /var/www/yordam
chown www-data:www-data /var/www/yordam

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block path traversal patterns
  • Isolate the vulnerable system in a segmented network with strict access controls

🔍 How to Verify

Check if Vulnerable:

Test by attempting to access files outside web root using traversal sequences like ../../etc/passwd or similar patterns

Check Version:

Check application interface or configuration files for version information (typically in admin panel or about section)

Verify Fix Applied:

After patching, retest path traversal attempts to confirm they are properly blocked or return appropriate error messages

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests containing ../ or ..\ sequences
  • Access to unexpected file paths
  • 403/404 errors for traversal attempts if blocked

Network Indicators:

  • HTTP requests with encoded traversal sequences (%2e%2e%2f)
  • Multiple failed attempts to access system files

SIEM Query:

web.url:*../* OR web.url:*..\\*

🔗 References

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