CVE-2020-37188

7.5 HIGH

📋 TL;DR

CVE-2020-37188 is a buffer overflow vulnerability in SpotOutlook 1.2.6 that allows attackers to cause denial of service by crashing the application. Attackers can exploit this by pasting 1000 'A' characters into the registration name field, making the application unresponsive. Users running SpotOutlook 1.2.6 are affected.

💻 Affected Systems

Products:
  • SpotOutlook
Versions: 1.2.6
Operating Systems: Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Vulnerability exists in the default configuration of SpotOutlook 1.2.6.

⚠️ 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

Complete application crash and denial of service, potentially disrupting business operations if SpotOutlook is critical for email management.

🟠

Likely Case

Application becomes unresponsive and requires restart, causing temporary disruption to users.

🟢

If Mitigated

Minimal impact with proper input validation and patching in place.

🌐 Internet-Facing: MEDIUM - Exploitation requires user interaction with the registration interface, but public exploit code exists.
🏢 Internal Only: LOW - Requires local access or user interaction with the vulnerable application.

🎯 Exploit Status

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

Exploitation requires user interaction to paste malicious input into the name field. Public exploit code is available on Exploit-DB.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.2.7 or later

Vendor Advisory: http://www.nsauditor.com/

Restart Required: Yes

Instructions:

1. Download latest version from nsauditor.com. 2. Uninstall current version. 3. Install updated version. 4. Restart system.

🔧 Temporary Workarounds

Input Validation Filter

all

Implement input validation to restrict name field length to prevent buffer overflow.

Application Firewall Rules

windows

Configure application firewall to monitor and block suspicious input patterns.

🧯 If You Can't Patch

  • Restrict user access to SpotOutlick application to trusted users only.
  • Monitor application logs for repeated crash events or suspicious input patterns.

🔍 How to Verify

Check if Vulnerable:

Check SpotOutlook version in Help > About menu. If version is 1.2.6, system is vulnerable.

Check Version:

Not applicable - check via application GUI Help > About menu.

Verify Fix Applied:

Verify version is 1.2.7 or later in Help > About menu. Test by attempting to paste 1000 'A' characters into name field - application should not crash.

📡 Detection & Monitoring

Log Indicators:

  • Application crash logs
  • Unexpected termination events in Windows Event Viewer

Network Indicators:

  • Not applicable - local exploitation only

SIEM Query:

EventID=1000 OR EventID=1001 AND ProcessName="SpotOutlook.exe"

🔗 References

📤 Share & Export