Frappe Learning Management System 安全漏洞

Frappe Learning Management System is an easy-to-use open-source learning management system developed by Frappe. Versions of the Frappe Learning Management System prior to 2.44.0 contained security vulnerabilities. These vulnerabilities were due to improper access control, which could allow...

GPU-Fuzz: Finding Memory Errors in Deep Learning Frameworks

GPU memory errors are a critical threat to deep learning DL frameworks, leading to crashes or even security issues. We introduce GPU-Fuzz, a fuzzer locating these issues efficiently by modeling operator parameters as formal constraints. GPU-Fuzz utilizes a constraint solver to generate test cases...

StealthRL: Reinforcement Learning Paraphrase Attacks for Multi-Detector Evasion of AI-Text Detectors

AI-text detectors face a critical robustness challenge: adversarial paraphrasing attacks that preserve semantics while evading detection. We introduce StealthRL, a reinforcement learning framework that stress-tests detector robustness under realistic adversarial conditions. StealthRL trains a...

The Role of Learning in Attacking Intrusion Detection Systems

Recent work on network attacks have demonstrated that ML-based network intrusion detection systems NIDS can be evaded with adversarial perturbations. However, these attacks rely on complex optimizations that have large computational overheads, making them impractical in many real-world settings. ...

SoK: The Pitfalls of Deep Reinforcement Learning for Cybersecurity

Deep Reinforcement Learning DRL has achieved remarkable success in domains requiring sequential decision-making, motivating its application to cybersecurity problems. However, transitioning DRL from laboratory simulations to bespoke cyber environments can introduce numerous issues. This is furthe...

One RNG to Rule Them All: How Randomness Becomes an Attack Vector in Machine Learning

Machine learning relies on randomness as a fundamental component in various steps such as data sampling, data augmentation, weight initialization, and optimization. Most machine learning frameworks use pseudorandom number generators as the source of randomness. However, variations in design choic...

Empirical Evaluation of SMOTE in Android Malware Detection with Machine Learning: Challenges and Performance in CICMalDroid 2020

Malware, malicious software designed to damage computer systems and perpetrate scams, is proliferating at an alarming rate, with thousands of new threats emerging daily. Android devices, prevalent in smartphones, smartwatches, tablets, and IoTs, represent a vast attack surface, making malware...

Evasion of IoT Malware Detection Via Dummy Code Injection

The Internet of Things IoT has revolutionized connectivity by linking billions of devices worldwide. However, this rapid expansion has also introduced severe security vulnerabilities, making IoT devices attractive targets for malware such as the Mirai botnet. Power side-channel analysis has...

Evaluating and Enhancing the Vulnerability Reasoning Capabilities of Large Language Models

Large Language Models LLMs have demonstrated remarkable proficiency in vulnerability detection. However, a critical reliability gap persists: models frequently yield correct detection verdicts based on hallucinated logic or superficial patterns that deviate from the actual root cause. This...

ACORN-IDS: Adaptive Continual Novelty Detection for Intrusion Detection Systems

Intrusion Detection Systems IDS must maintain reliable detection performance under rapidly evolving benign traffic patterns and the continual emergence of cyberattacks, including zero-day threats with no labeled data available. However, most machine learning-based IDS approaches either assume...

Moodle 安全漏洞

Moodle is an open-source e-learning software platform developed by Moodle. It is also known as a course management system, learning management system, or virtual learning environment. Versions of Moodle 5.0 and earlier contained security vulnerabilities. These vulnerabilities were caused by...

Hallucination-Resistant Security Planning with a Large Language Model

Large language models LLMs are promising tools for supporting security management tasks, such as incident response planning. However, their unreliability and tendency to hallucinate remain significant challenges. In this paper, we address these challenges by introducing a principled framework for...

Linux-Usermode-Exploitation-101

Linux Usermode Exploitation 101 Introduction The aim of th...

Moodle authentication bypass vulnerability

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability LTI Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access...

GHSA-J5JV-W5CW-J9FF Moodle authentication bypass vulnerability

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability LTI Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access...

Improper Handling of Insufficient Permissions or Privileges

Overview moodle/moodle is a learning platform. Affected versions of this package are vulnerable to Improper Handling of Insufficient Permissions or Privileges via the LTI Provider available to suspended users. An attacker can gain unauthorized access to the system and perform actions or access...

CVE-2025-67848

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability LTI Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access...

UBUNTU-CVE-2025-67848

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability LTI Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access...

CVE-2025-67848

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability LTI Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access...

CVE-2025-67848 Moodle: moodle: authentication bypass via lti provider allows suspended users to gain unauthorized access.

A flaw was found in Moodle. This authentication bypass vulnerability allows suspended users to authenticate through the Learning Tools Interoperability LTI Provider. The issue arises from the LTI authentication handlers failing to enforce the user's suspension status, enabling unauthorized access...