bleed
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Citrix Bleed was assigned a CVSS score of 9.4/10, making it a high-severity, critical information disclosure vulnerability. Much like this vulnerability, Citrix Bleed’s exploit was only possible in the instances where NetScaler ADC and Gateway devices were configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) or AAA virtual server.
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*** This is a Security Bloggers Network syndicated blog from BlackFog authored by Darren Williams. Read the original post at: https://www.blackfog.com/lockbit-ransomware-affiliates-leverage-citrix-bleed-vulnerability-cve-2023-4966/
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In a notice for its customers, Xfinity acknowledges it recently fell victim to a data security incident. Xfinity is Comcast’s brand for TV, internet, and home phone services, sometimes referred to as Comcast Cable Communications.
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Telecommunications company Comcast has confirmed a breach that exposed personal information of more than 35.8 million of Xfinity customers.
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Comcast’s residential cable unit, Xfinity, has been hit by a cybersecurity breach in which hackers exploiting a critical vulnerability dubbed Citrix Bleed accessed the confidential information of nearly 36 million customers.
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Comcast says usernames, hashed passwords and other info were stolen between Oct. 16 and Oct. 19.
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Adopting a patch released in October — and removing any threat actors that may already be exploiting unpatched instances of the software — is important to defending against new actors known to exploit this flaw.
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Fraud Management & Cybercrime , Governance & Risk Management , Patch Management
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The U.S. Department of Health and Human Services (HHS) warned hospitals this week to patch the critical ‘Citrix Bleed’ Netscaler vulnerability actively exploited in attacks.
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On November 21, 2023, 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) that disseminates Indicators of Compromise (IOCs), Tactics, Techniques and Procedures (TTPs), and detection methods associated with…
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Here’s an overview of some of last week’s most interesting news, articles, interviews and videos:
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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.
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On November 16, 2023, The Cybersecurity and Infrastructure Security Agency (CISA) released an advisory on the LockBit ransomware group adopting Citrix Bleed CVE-2023-4966 vulnerability [1]. The vulnerability allows adversaries to bypass password requirements and multi-factor authentication (MFA), causing adversaries to take control of the user sessions on Citrix NetScaler ADC and Gateway appliances. CVE-2023-4966 has…
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.bs-section.bs-section-11f862fa5955c3a1a91544a4eaa86bc98cd6a943{ background-image: url(https://www.safebreach.com/wp-content/uploads/2023/02/blog_banner.webp);background-position: center center;background-size: cover;} Nov 22, 2023 Author: Kaustubh Jagtap, Product Marketing Director, SafeBreach On November 21st, 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 an advisory highlighting the ongoing exploit of…
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We focus on technical intelligence, research and engineering to help operational [blue|purple] teams defend their estates and have awareness of the world.
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Both Citrix and the U.S. government are urging security teams to take a number of defensive measures as threat actors continue to widely target the known Citrix Bleed vulnerability in Netscaler ADC and Gateway appliances.
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The U.S. and Australian security agencies rolled out Tuesday a joint cybersecurity advisory that disseminates IOCs (indicators of compromise), TTPs (tactics, techniques, and procedures), and detection methods associated with LockBit 3.0 ransomware exploiting CVE-2023-4966, labeled Citrix Bleed. The security vulnerability affects Citrix NetScaler web application delivery control (ADC) and NetScaler Gateway appliances.