CVE-2024-21642 – CVE-2024-21642 is a server-side request forgery... (How to Fix)

Q: What is the severity of CVE-2024-21642?

CVE-2024-21642 has a CVSS score of 7.5 (HIGH). CVE-2024-21642 is a server-side request forgery (SSRF) vulnerability in D-Tale versions before 3.9.0 that allows attackers to access files on the server through the 'Load From the Web' feature. This affects users who publicly host vulnerable D-Tale instances, potentially exposing sensitive server data to unauthorized access.

📋 TL;DR

CVE-2024-21642 is a server-side request forgery (SSRF) vulnerability in D-Tale versions before 3.9.0 that allows attackers to access files on the server through the 'Load From the Web' feature. This affects users who publicly host vulnerable D-Tale instances, potentially exposing sensitive server data to unauthorized access.

💻 Affected Systems

Products:

D-Tale

Versions: All versions prior to 3.9.0

Operating Systems: All operating systems running D-Tale

Default Config Vulnerable: ⚠️ Yes

Notes: Only affects instances where D-Tale is publicly accessible or accessible to untrusted users. The 'Load From the Web' feature must be enabled (it was enabled by default in vulnerable versions).

📦 What is this software?

D Tale by Man

View all CVEs affecting D Tale →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could read sensitive files (configuration files, credentials, private keys) from the server, potentially leading to full system compromise.

🟠

Likely Case

Unauthorized access to internal files and services, data exfiltration, and potential lateral movement within the network.

🟢

If Mitigated

Limited to trusted user access only, preventing external exploitation while maintaining internal functionality.

🌐 Internet-Facing: HIGH - Publicly exposed instances are directly vulnerable to SSRF attacks from any internet source.

🏢 Internal Only: MEDIUM - Internal instances are still vulnerable to authenticated users, but attack surface is reduced.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

SSRF vulnerabilities are commonly exploited and require minimal technical skill when public instances are exposed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.9.0

Vendor Advisory: https://github.com/man-group/dtale/security/advisories/GHSA-7hfx-h3j3-rwq4

Restart Required: Yes

Instructions:

1. Upgrade D-Tale to version 3.9.0 or later using pip: 'pip install --upgrade dtale==3.9.0' 2. Restart the D-Tale service/application 3. Verify the 'Load From the Web' feature is disabled by default

🔧 Temporary Workarounds

Restrict Access to Trusted Users

all

Limit D-Tale access to trusted internal users only using network controls or authentication

Configure firewall rules to restrict D-Tale port access
Implement authentication middleware if not already present

Disable Load From Web Feature

all

Manually disable the vulnerable feature in D-Tale configuration

Set environment variable: export DTALE_DISABLE_WEB_LOAD=true
Or modify D-Tale config to disable web loading functionality

🧯 If You Can't Patch

Immediately restrict D-Tale access to trusted internal networks only using firewall rules
Implement strong authentication and authorization controls for all D-Tale access

🔍 How to Verify

Check if Vulnerable:

Check D-Tale version: if version < 3.9.0 and instance is publicly accessible or accessible to untrusted users, it is vulnerable

Check Version:

python -c "import dtale; print(dtale.__version__)"

Verify Fix Applied:

Verify D-Tale version is 3.9.0 or higher and that 'Load From the Web' feature is disabled by default in the interface

📡 Detection & Monitoring

Log Indicators:

Unusual file access patterns from D-Tale process
Requests to internal services/localhost from D-Tale
Failed attempts to access restricted files

Network Indicators:

Outbound connections from D-Tale server to internal services
Unusual data transfers from D-Tale instance

SIEM Query:

source="dtale" AND (url="file://*" OR url="http://localhost*" OR url="http://127.0.0.1*")

📊 Metadata

CVE ID: CVE-2024-21642

CVSS v3 Score: 7.5 (HIGH)

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

CWE: CWE-918

Published: January 5, 2024

Last Updated: November 21, 2024

🔗 References

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