CISA gives US federal agencies three days to fix a VPN bug under attack by a ransomware gang


A ransomware group is actively exploiting an unpatched flaw in security tools used across the U.S. federal government, prompting the U.S. cybersecurity agency CISA to order all civilian agencies to remediate the vulnerability by end of day Wednesday.

Cybersecurity firm Check Point Software said the bug affects several of its remote access tools, firewalls, and VPNs, which act as digital gatekeepers to protect company networks from unauthorized access.

Read more…
Source:  TechCrunch News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • OpenImageIO file processing issues could lead to arbitrary code execution, sensitive information leak and denial of service

    December 22, 2022

    Cisco Talos recently discovered nineteen vulnerabilities in OpenImageIO, an image processing library, which could lead to sensitive information disclosure, denial of service and heap buffer overflows which could further lead to code execution. OpenImageIO is an image processing library useful for conversion and processing, as well as image comparison. This library is utilized by 3D-processing software ...

  • Diving into an Old Exploit Chain and Discovering 3 new SIP-Bypass Vulnerabilities

    December 20, 2022

    More than two years ago, a researcher, A2nkF, published the details of an interesting exploit chain on the Objective-See blog. He demonstrated the exploit chain from root privilege escalation to SIP-Bypass up to arbitrary kernel extension loading. After diving into the second vulnerability of the exploit chain, Trend Micro researchers found that Apple’s patch for this issue is ...

  • Gatekeeper’s Achilles heel: Unearthing a macOS vulnerability

    December 19, 2022

    On July 27, 2022, Microsoft discovered a vulnerability in macOS that can allow attackers to bypass application execution restrictions imposed by Apple’s Gatekeeper security mechanism, designed to ensure only trusted apps run on Mac devices. We developed a proof-of-concept exploit to demonstrate the vulnerability, which we call “Achilles”. Gatekeeper bypasses such as this could be ...

  • CVE-2022-41040 and CVE-2022-41082 – zero-days in MS Exchange

    December 19, 2022

    At the end of September, GTSC reported an attack on critical infrastructure that took place in August. During the investigation, experts found that two 0-day vulnerabilities in Microsoft Exchange Server were used in the attack. The first one, later identified as CVE-2022-41040, is a server-side request forgery (SSRF) vulnerability that allows an authenticated attacker to ...

  • API Vulnerabilities Discovered in LEGO Marketplace

    December 19, 2022

    Application programming interface (API) security vulnerabilities have been discovered in a LEGO resale platform owned by LEGO® Group, which could have put sensitive customer information at risk. An investigation by Salt Security’s research team, Salt Labs, found two API security flaws within BrickLink, an online marketplace to buy and sell LEGO parts, Minifigures and sets, which ...

  • Hackers exploit critical Citrix ADC and Gateway zero day, patch now

    December 13, 2022

    Citrix strongly urges admins to apply security updates for an ‘Critical’ zero-day vulnerability (CVE-2022-27518) in Citrix ADC and Gateway that is actively exploited by state-sponsored hackers to gain access to corporate networks. This new vulnerability allows an unauthenticated attacker to execute commands remotely on vulnerable devices and take control over them. Citrix is warning admins to install ...