Author: Ameeba

Overview

The CVE-2025-8183 vulnerability is a critical flaw that exists within the µD3TN software where a NULL Pointer Dereference error can be exploited via the destination Endpoint Identifier. This vulnerability potentially affects all systems and networks utilising this software, leading to system compromise or data leakage. Given the severity score of 7.5, it is crucial that administrators take immediate action to mitigate this vulnerability.

Vulnerability Summary

CVE ID: CVE-2025-8183
Severity: High – CVSS 7.5
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

Product | Affected Versions

µD3TN | All versions prior to patch

How the Exploit Works

A remote attacker can exploit this vulnerability by sending a carefully crafted network request to the non-singleton destination Endpoint Identifier of the µD3TN software. This causes a NULL Pointer Dereference, leading to a crash in the system and hence, a denial of service. It’s possible that, in some circumstances, this could be further exploited to execute arbitrary code on the system, leading to a full system compromise.

Conceptual Example Code

Here is a conceptual HTTP POST request that might trigger the vulnerability:

POST /uD3TN/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "destination": null }

In this example, the “destination” field is intentionally set to null, which could cause the NULL Pointer Dereference in the µD3TN application.

Mitigation

Users of affected versions of µD3TN should apply the latest vendor patches immediately. If unable to apply the patch immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation, blocking malicious requests that attempt to exploit this vulnerability.

Overview

The Frontend File Manager Plugin for WordPress, a widely used platform for website creation and management, suffers from a serious vulnerability, identified as CVE-2023-7306. This vulnerability allows unauthenticated attackers to delete arbitrary posts, posing a significant threat to data integrity and potentially leading to unauthorized information disclosure. The vulnerability affects all versions up to, and including, 21.5.

Vulnerability Summary

CVE ID: CVE-2023-7306
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized loss of data, potential system compromise or data leakage

Affected Products

Product | Affected Versions

Frontend File Manager Plugin for WordPress | All versions up to, and including, 21.5

How the Exploit Works

The CVE-2023-7306 vulnerability lies in the wpfm_delete_multiple_files() function of the Frontend File Manager Plugin, which does not perform an appropriate capability check. This oversight allows unauthenticated users to send requests to this function, leading to the deletion of arbitrary posts without any necessary permissions or authentication.

Conceptual Example Code

Here’s a conceptual example of how an attacker might exploit this vulnerability:

POST /wp-admin/admin-ajax.php?action=wpfm_delete_multiple_files HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "file_ids": ["1", "2", "3"] }

In this example, an unauthenticated attacker sends a POST request to the wpfm_delete_multiple_files function, specifying the IDs of the files they wish to delete. Without an appropriate capability check in place, the function processes the request and deletes the specified files.

Mitigation Guidance

To mitigate this vulnerability, affected users are recommended to apply the vendor patch as soon as it is available. In the meantime, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation measure, helping to detect and block malicious requests.

Overview

The CVE-2025-33109 is a critical vulnerability that affects IBM i versions 7.2 through 7.6. This vulnerability could allow a bad actor to escalate privileges and execute a database procedure or function without required permissions. Moreover, this vulnerability could also lead to a denial of service for some database actions. This is a significant issue that requires immediate attention due to the potential for system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-33109
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Privilege escalation and potential denial of service

Affected Products

Product | Affected Versions

IBM i | 7.2, 7.3, 7.4, 7.5, and 7.6

How the Exploit Works

The exploit works by taking advantage of an invalid database authority check in IBM i. A bad actor could execute a database procedure or function without having all required permissions, essentially bypassing the security measures in place. This could lead to a privilege escalation, granting the attacker access to sensitive data and system capabilities. Additionally, this exploit could also cause a denial of service for some database actions.

Conceptual Example Code

This is a conceptual example of how the vulnerability might be exploited. This is not actual exploit code but an illustration of the potential attack mechanism.

EXECUTE AS USER = 'low_privilege_user'
GO
-- This is a function/procedure that should require higher privileges
EXECUTE dbo.vulnerable_procedure
GO

In this example, a low-privileged user is executing a database procedure that normally requires higher privileges. The invalid authority check in IBM i versions 7.2 through 7.6 allows this to happen without raising any security flags.

Mitigation Guidance

The best way to mitigate this vulnerability is by applying the vendor patch as soon as it becomes available. In the interim, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) may provide temporary mitigation. However, this should not be considered a long-term solution, as it does not address the root cause of the vulnerability.

Overview

This report details a significant vulnerability in LibHTP, a security-aware parser for the HTTP protocol. The vulnerability, referenced as CVE-2025-53537, affects versions 0.5.50 and below, allowing attackers to starve a process of memory, causing loss of visibility. This particular vulnerability carries significant implications for any entity using an affected LibHTP version, potentially leading to system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-53537
Severity: High (7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

Product | Affected Versions

LibHTP | 0.5.50 and below

How the Exploit Works

The CVE-2025-53537 vulnerability originates from a memory leak in LibHTP’s handling of HTTP traffic. If an attacker can generate sufficient traffic, it can starve the process of memory. This memory starvation can lead to a loss of visibility, which can potentially pave the way for further attacks and exploitation.

Conceptual Example Code

Though the specifics of the exploit are not public, an attacker might generate massive traffic to the target server to induce memory leak. A conceptual example of how this might be done is shown below:

POST / HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
data=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...

This example sends a POST request with a large payload to the target server. An attacker might automate this and send multiple requests concurrently, potentially leading to memory exhaustion.

Mitigation and Solution

The LibHTP team has released a fix for this vulnerability in version 0.5.51. It is highly recommended that users update to this version to avoid exposure. If unable to update immediately, users can mitigate the risk by setting `suricata.yaml app-layer.protocols.http.libhtp.default-config.lzma-enabled` to false. Alternatively, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide a temporary mitigation against potential exploits.

Overview

The CVE-2025-47187 vulnerability affects the Mitel 6800 Series, 6900 Series, and 6900w Series SIP Phones and the 6970 Conference Unit. If exploited, this vulnerability could allow an attacker to upload arbitrary WAV files, potentially exhausting the phone’s storage without affecting its operation. This report evaluates the nature of this vulnerability, its potential risks, and how it can be mitigated.

Vulnerability Summary

CVE ID: CVE-2025-47187
Severity: High (7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

Product | Affected Versions

Mitel 6800 Series SIP Phones | Through 6.4 SP4 (R6.4.0.4006)
Mitel 6900 Series SIP Phones | Through 6.4 SP4 (R6.4.0.4006)
Mitel 6900w Series SIP Phones | Through 6.4 SP4 (R6.4.0.4006)
Mitel 6970 Conference Unit | Through 6.4 SP4 (R6.4.0.4006) or version V1 R0.1.0

How the Exploit Works

The vulnerability lies in missing authentication mechanisms, which allow an attacker to perform a file upload attack. By uploading arbitrary WAV files, an attacker can potentially exhaust the storage of the phones in question. This can lead to a system compromise or data leakage, without affecting the phone’s availability or operation.

Conceptual Example Code

A conceptual example of how the vulnerability might be exploited could be an HTTP POST request to upload a malicious WAV file:

POST /upload/endpoint HTTP/1.1
Host: target.example.com
Content-Type: audio/wav
{ "filename": "malicious_file.wav", "data": "..." }

This would upload the malicious WAV file to the targeted Mitel SIP Phone, potentially exhausting its storage and thus leading to potential system compromise or data leakage.

Overview

The CVE-2025-40597 vulnerability pertains to a heap-based buffer overflow issue within the SMA100 series web interface. This vulnerability, if exploited, can allow remote, unauthenticated attackers to cause a Denial of Service (DoS) or potentially execute arbitrary code on the affected system. Given the widespread use of the SMA100 series, this vulnerability is of significant concern due to its potential for system compromise or data leakage.

Vulnerability Summary

CVE ID: CVE-2025-40597
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

Product | Affected Versions

SMA100 Series | All versions prior to the vendor patch

How the Exploit Works

The heap-based buffer overflow vulnerability in the SMA100 series web interface occurs when an attacker sends a specially crafted packet to the target system. This packet overflows the buffer, causing the system to behave unpredictably. In the worst-case scenario, this unpredictable behavior could allow the attacker to execute arbitrary code remotely, leading to a full system compromise.

Conceptual Example Code

Here is a conceptual example of exploiting this vulnerability. This example is not intended to be a working exploit, but rather to demonstrate the general approach an attacker may take.

POST /sma100/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/octet-stream
{ "buffer": "OVERFLOW_PAYLOAD" }

In this example, `OVERFLOW_PAYLOAD` is a specially crafted series of bytes that cause the buffer overflow to occur. An attacker would need to carefully construct this payload to target the specific system and version they are attempting to exploit.

Mitigation Guidance

To mitigate this vulnerability, it is recommended to apply the vendor patch as soon as it becomes available. In the meantime, use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to monitor and block potential exploits.

Overview

This report provides a detailed analysis of the CVE-2025-8021 vulnerability, a critical flaw found in all versions of the package files-bucket-server. This vulnerability allows attackers to perform a Directory Traversal attack, leading to unauthorized access to files outside of the intended directory. This constitutes a significant risk to data integrity and system security.

Vulnerability Summary

CVE ID: CVE-2025-8021
Severity: High (7.5 CVSS Score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Unauthorized system access and potential data leakage

Affected Products

Product | Affected Versions

Files-Bucket-Server | All versions

How the Exploit Works

The exploit takes advantage of a weak point in the file handling mechanisms of Files-Bucket-Server. An attacker can manipulate the file path input in such a way that they navigate outside of the intended directory. This could allow the attacker to access sensitive files or execute scripts outside of the intended directory, leading to system compromise or data leakage.

Conceptual Example Code

Here is a conceptual example of how the vulnerability might be exploited using a manipulated HTTP request:

GET /file?path=../../../../etc/passwd HTTP/1.1
Host: target.example.com

In this example, the attacker is attempting to access the “passwd” file located in the /etc/ directory, which stores user password information. The “../” syntax is used to move up one directory level, effectively allowing the attacker to traverse the directory structure.

Recommended Mitigations

Users of the affected package are advised to apply the vendor patch as soon as it is available. In the meantime, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) could serve as a temporary mitigation. These systems can be configured to detect and block suspicious file path inputs, preventing the execution of this Directory Traversal attack.

Overview

This report discusses the CVE-2025-54141 vulnerability, a severe security flaw that affects versions 1.1.0 through 1.1.31 and 1.2.0 through 1.2.3 of the ViewVC browser interface for CVS and Subversion version control repositories. This vulnerability matters significantly as it can potentially expose the contents of the host server’s filesystem, leading to data leakage and system compromise.

Vulnerability Summary

CVE ID: CVE-2025-54141
Severity: High (7.5 CVSS score)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise or data leakage

Affected Products

Product | Affected Versions

ViewVC | 1.1.0 through 1.1.31
ViewVC | 1.2.0 through 1.2.3

How the Exploit Works

The exploit works by leveraging a directory traversal-style attack against the standalone.py script provided in the ViewVC distribution. An attacker can craft malicious requests that manipulate the script’s file fetching functionality, thereby gaining unauthorized access to the host server’s filesystem.

Conceptual Example Code

The following is a conceptual example of how the vulnerability might be exploited. This could be a sample HTTP GET request, where the attacker attempts to traverse the directories and access a sensitive file:

GET /viewvc/standalone.py/../../../../etc/passwd HTTP/1.1
Host: target.example.com

This request attempts to access the `/etc/passwd` file, which contains sensitive information about user accounts on a Unix-like system.

Mitigation Guidance

To mitigate this vulnerability, users are advised to apply the vendor patch as soon as possible. This is fixed in versions 1.1.31 and 1.2.4 of ViewVC. In situations where immediate patching is not feasible, deploying a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure.

Overview

This report discusses the critical vulnerability identified as CVE-2025-54140 in the open-source Download Manager, pyLoad. This flaw, found in version 0.5.0b3.dev89, allows an attacker to exploit a path traversal vulnerability. It is significant because it can lead to remote code execution, local privilege escalation, system-wide compromise, and even the establishment of persistent backdoors.

Vulnerability Summary

CVE ID: CVE-2025-54140
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: User-level
User Interaction: Required
Impact: Potential system-wide compromise and data leakage

Affected Products

Product | Affected Versions

pyLoad | 0.5.0b3.dev89

How the Exploit Works

The vulnerability exists in the /json/upload endpoint of pyLoad. An attacker, by manipulating the filename of an uploaded file, can traverse out of the intended upload directory. This allows them to write arbitrary files to any location on the system that is accessible to the pyLoad process.

Conceptual Example Code

The following is a conceptual example of how this vulnerability might be exploited:

POST /json/upload HTTP/1.1
Host: target.example.com
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW
------WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="file"; filename="../../../../etc/passwd"
Content-Type: text/plain
root:x:0:0:root:/root:/bin/bash
------WebKitFormBoundary7MA4YWxkTrZu0gW

In this example, an attacker uploads a file with a manipulated filename, aiming to overwrite the ‘/etc/passwd’ file, a critical system file in Unix-like operating systems. If the malicious upload is successful, the attacker could potentially gain root-level access to the system.

Mitigation Guidance

Users of pyLoad version 0.5.0b3.dev89 are advised to immediately upgrade to version 0.5.0b3.dev90 to mitigate this vulnerability. In cases where the upgrade cannot be promptly performed, employing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation measure.

Overview

The CVE-2025-54138 vulnerability is a high-risk security flaw found in LibreNMS versions 25.6.0 and below. This vulnerability could potentially allow remote code execution (RCE) if an attacker is able to manipulate the application’s file inclusion functionality. This presents a significant risk to organizations using affected versions of LibreNMS, potentially leading to system compromises and data breaches.

Vulnerability Summary

CVE ID: CVE-2025-54138
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Potential system compromise and data leakage

Affected Products

Product | Affected Versions

LibreNMS | 25.6.0 and below

How the Exploit Works

The exploit takes advantage of a flaw in the ajax_form.php endpoint of LibreNMS, which allows for Remote File Inclusion. The application directly uses the type parameter to dynamically include .inc.php files from a trusted path without validation, which potentially allows an attacker to execute arbitrary code if they can stage a file in the include path.

Conceptual Example Code

This is a conceptual example of how an attacker might exploit the vulnerability:

POST /ajax_form.php HTTP/1.1
Host: target.example.com
Content-Type: application/x-www-form-urlencoded
type=../../../malicious_file.inc.php

In this example, the attacker is attempting to include a malicious PHP file from outside the trusted path, which could lead to remote code execution if successful.

Mitigation

Users are advised to upgrade to LibreNMS version 25.7.0 or later, which includes a fix for this vulnerability. As a temporary measure, users can also use a web application firewall (WAF) or intrusion detection system (IDS) to block attempts to exploit this vulnerability.