overread

overread CVE-2023-4966 Citrix Bleed オーバーリードバグをシミュレートします これは、ハーバード大学のCS50 Cybersecurity 2023のための最終プロジェクトです。これはバグについてです。小さなバグが、巨大で継続的な影響を及ぼしています。このプレゼンテーションでは、ある開発者の小さなミスから得られた「出血する洞察」を共有します。そのミスは、何百万人もの人々にとって大きな問題を引き起こし続けています。 動画 Citrix Bleed 動画（YouTube） 2023年12月4日録画 メモ このC言語のデモプログラムは、snfprintf...

Citrix-Bleed-Buffer-Overread-Demo

Citrix-Bleed-Buffer-Overread-Demo このコードは、C言語におけるsnprintfの戻り値の不適切な処理というCitrix Bleed脆弱性（CVE-2023-4699）を機能的に近似したものです。...

LockBit-Ransomware-Analysis

🔐 LockBit勒索软件分析 – Citrix Bleed漏洞利用 📌 概述 本项目呈现了针对2023年10月LockBit勒索软件攻击波音公司事件的详细威胁情报和事件响应分析。攻击者利用CVE-2023-4966（Citrix Bleed）劫持NetScaler会话令牌，绕过身份验证，部署持久化机制，并窃取了约40GB的敏感数据。 本案例研究检查了整个攻击生命周期，将攻击者行为映射到MITRE ATT&CK框架，并提出了与CISA和CIS指南一致的防御控制措施。 🧠 涵盖的关键领域 通过CVE-2023-4966的初始访问 会话劫持与MFA绕过...

CVE-2025-6543

CVE-2025-6543 Citrix Bleed 2 PoC...

Ransomware Groups Turn to Citrix Bleed 2, BYOVD, and Supply Chain Credentials

Threat actors associated with the Anubis ransomware operation have been observed exploiting the Citrix Bleed 2 CVE-2025-5777 vulnerability to obtain initial access. "Although tactics differ between affiliates, common patterns emerged in tradecraft through use of legitimate Remote Management and...

📄 Citrix Bleed 2 PHP Mass Scanner

This is a high-speed mass-scanner written in PHP designed to test for data leakage through the CitrixBleed2 InitialValue extraction issue. The tool reproduces the functionality of the original Bash/Parallel scanner but works in restricted PHP environments...

CitrixBleed 2 Mass Scanner

This script is a mass scanner for the CitrixBleed 2 vulnerability...

Exploit for Out-of-bounds Read in Citrix Netscaler_Application_Delivery_Controller

Citrix Bleed 2 PoC Scanner CVE-2025-5777 This script is a P...

Citrix Bleed 2 Flaw Enables Token Theft; SAP GUI Flaws Risk Sensitive Data Exposure

Cybersecurity researchers have detailed two now-patched security flaws in SAP Graphical User Interface GUI for Windows and Java that, if successfully exploited, could have enabled attackers to access sensitive information under certain conditions. The vulnerabilities, tracked as CVE-2025-0055 and...

Comcast’s Xfinity breached by Citrix Bleed; 36 million customer’s data accessed

In a notice for its customers, Xfinity acknowledges it recently fell victim to a data security incident. Xfinity is Comcasts brand for TV, internet, and home phone services, sometimes referred to as Comcast Cable Communications. During the data breach the attackers were able to access 35.8 millio...

Xfinity Rocked with Data Breach Impacting 36 Million Users

By Deeba Ahmed The latest Xfinity data breach is linked to the critical Citrix Bleed vulnerability. This is a post from HackRead.com Read the original post: Xfinity Rocked with Data Breach Impacting 36 Million Users...

Citrix Bleed widely exploited, warn government agencies

In a joint cybersecurity advisory, the Cybersecurity and Infrastructure Security Agency CISA and the Federal Bureau of Investigation FBI, along with other international agencies, warn that ransomware gangs are actively exploiting the Citrix Bleed vulnerability. Affiliates of at least two ransomwa...

LockBit Ransomware Exploiting Critical Citrix Bleed Vulnerability to Break In

Multiple threat actors, including LockBit ransomware affiliates, are actively exploiting a recently disclosed critical security flaw in Citrix NetScaler application delivery control ADC and Gateway appliances to obtain initial access to target environments. The joint advisory comes from the U.S...

#StopRansomware: LockBit 3.0 Ransomware Affiliates Exploit CVE 2023-4966 Citrix Bleed Vulnerability

SUMMARY Note: This joint Cybersecurity Advisory CSA is part of an ongoing StopRansomware effort to publish advisories for network defenders that detail various ransomware variants and ransomware threat actors. These StopRansomware advisories include recently and historically observed tactics,...

CISA, FBI, MS-ISAC, and ASD’s ACSC Release Advisory on LockBit Affiliates Exploiting Citrix Bleed

Today, the Cybersecurity and Infrastructure Security Agency CISA, Federal Bureau of Investigation FBI, Multi-State Information Sharing & Analysis Center MS-ISAC, and Australian Signals Directorate’s Australian Cyber Security Center ASD’s ACSC released a joint Cybersecurity Advisory CSA,...

Alert: PoC Exploits Released for Citrix and VMware Vulnerabilities

Virtualization services provider VMware has alerted customers to the existence of a proof-of-concept PoC exploit for a recently patched security flaw in Aria Operations for Logs. Tracked as CVE-2023-34051 CVSS score: 8.1, the high-severity vulnerability relates to a case of authentication bypass...