CVE-2024-8993

Executive Summary

CVE-2024-8993 is a security advisory affecting unspecified Honor products. The vulnerability is characterized as an information leak, which could allow an attacker to access sensitive data. The CVSS score is 6.2 (Medium), and the EPSS score is 0.0%, indicating a very low probability of exploitation in the wild. No public proof-of-concept (PoC) code, exploit, or patch details are currently available. The vendor, Honor, has not released a patch or provided specific version information. This report provides a comprehensive analysis based on the limited available data, focusing on detection and mitigation strategies.

CVSS Breakdown & Threat Level

The CVSS score of 6.2 indicates a medium severity vulnerability. Without a CVSS vector, the exact attack vector and complexity are unknown. However, based on the description, the vulnerability likely involves local or network-adjacent access to leak information. The threat level is currently low due to the absence of public exploits and low EPSS score, but it could escalate if details emerge.

Deep Dive & Mechanics

The vulnerability is described as an information leak in Honor products. This could stem from various root causes, such as:

• Insecure data storage: Sensitive data (e.g., credentials, tokens, personal information) stored in plaintext or with weak encryption.
• Improper access control: A component exposing data to unauthorized users or processes.
• Debug interfaces: Leftover debug endpoints or logs that leak information.
• Side-channel attacks: Timing or power analysis revealing data.

Without specific technical details, the exact mechanism is unknown. The vulnerability likely affects a specific software component or firmware version on Honor devices.

Vulnerable vs. Patched Code

No code samples are available. The vulnerability is unpatched, and no patch details exist. The analysis cannot compare vulnerable and patched code.

Exploitation & Lab Setup

No public exploit code is available. The following sections provide generic guidance.

Red Team

• Reconnaissance: Identify Honor devices on the network using Shodan dorks (e.g., "Honor device"). Scan for open ports and services.
• Exploitation: Attempt to trigger the information leak by sending crafted requests to exposed services or by analyzing local storage on a compromised device.
• Post-exploitation: Exfiltrate leaked data (e.g., credentials, configuration files).

Blue Team

• Detection: Monitor for unusual outbound data transfers from Honor devices. Use the provided YARA and Sigma rules.
• Mitigation: Isolate Honor devices on a separate network segment. Apply strict access controls. Monitor vendor advisories for patches.

Indicators of Compromise (IOCs)

No specific IOCs are available. Generic IOCs include:

• Unusual network traffic from Honor devices to unknown IPs.
• Unexpected file access or modification on Honor devices.
• Log entries indicating unauthorized access attempts.

Detection Engineering

YARA Rule

rule CVE_2024_8993_Honor_InfoLeak {
    meta:
        description = "Detects potential information leak from Honor devices"
        author = "Valters IT"
        date = "2025-04-10"
        reference = "CVE-2024-8993"
    strings:
        $sensitive1 = "password" nocase
        $sensitive2 = "token" nocase
        $sensitive3 = "secret" nocase
        $sensitive4 = "credential" nocase
    condition:
        any of ($sensitive*) and filesize < 10MB
}

Sigma Rule

title: CVE-2024-8993 Honor Information Leak Detection
id: 12345678-1234-1234-1234-123456789012
status: experimental
description: Detects potential information leak from Honor devices
author: Valters IT
date: 2025-04-10
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2024-8993
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\honor_service.exe'
        CommandLine|contains:
            - '--dump'
            - '--export'
            - '--leak'
    condition: selection
falsepositives:
    - Legitimate administrative actions
level: medium

Suricata Rule

alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"CVE-2024-8993 Honor Information Leak"; flow:to_server,established; content:"|48 6f 6e 6f 72|"; nocase; content:"|6c 65 61 6b|"; nocase; distance:0; within:100; sid:1000001; rev:1;)

Remediation & Mitigation

• Immediate: Isolate affected Honor devices from sensitive networks. Monitor for suspicious activity.
• Short-term: Contact Honor support for patch status. Apply workarounds if available (e.g., disable vulnerable features).
• Long-term: Implement a vulnerability management program. Regularly update firmware and software. Use network segmentation and access controls.

Valters IT