Microsoft fixes ProxyNotShell Exchange zero-days exploited in attacks

Microsoft has released security updates to address two high-severity Microsoft Exchange zero-day vulnerabilities collectively known as ProxyNotShell and exploited in the wild. Attackers have been chaining the two security flaws to deploy Chinese Chopper web shells on compromised servers for Read More …

Actively exploited Windows MoTW zero-day gets unofficial patch

A free unofficial patch has been released for an actively exploited zero-day that allows files signed with malformed signatures to bypass Mark-of-the-Web security warnings in Windows 10 and Windows 11. Last weekend, BleepingComputer reported that threat actors were using stand-alone Read More …

Apple fixes new zero-day used in attacks against iPhones, iPads

In security updates released on Monday, Apple has fixed the ninth zero-day vulnerability used in attacks against iPhones since the start of the year. Apple revealed in an advisory today that it’s aware of reports saying the security flaw “may Read More …

Fortinet warns admins to patch critical authentication bypass bug immediately

Fortinet has warned administrators to update FortiGate firewalls and FortiProxy web proxies to the latest versions, which address a critical severity vulnerability. The security flaw (tracked as CVE-2022-40684) is an authentication bypass on the administrative interface that could allow remote Read More …

Sophos fixes critical firewall hole exploited by miscreants

A critical code-injection vulnerability in Sophos Firewall has been fixed — but not before miscreants found and exploited the bug. The flaw, tracked as CVE-2022-3236, exists in the User Portal and Webadmin components of the firewall in versions 19.0 and Read More …

Microsoft Releases Out-of-Band Security Update for Microsoft Endpoint Configuration Manager

Microsoft has released a security update to address a vulnerability in Microsoft Endpoint Configuration Manager, versions 2103-2207. An attacker could exploit this vulnerability to obtain sensitive information. The Cybersecurity and Infrastructure Security Agency (CISA) encourages users and administrators to review Read More …

Google Chrome emergency update fixes new zero-day used in attacks

Google has released Chrome 105.0.5195.102 for Windows, Mac, and Linux users to address a single high-severity security flaw, the sixth Chrome zero-day exploited in attacks patched this year. “Google is aware of reports that an exploit for CVE-2022-3075 exists in Read More …

Apple backports fix for actively exploited iOS zero-day to older iPhones

Apple has released new security updates to backport patches released earlier this month to older iPhones and iPads addressing a remotely exploitable WebKit zero-day that allows attackers to execute arbitrary code on unpatched devices. This zero-day vulnerability is the same Read More …

Apple security updates fix 2 zero-days used to hack iPhones, Macs

Apple has released emergency security updates today to fix two zero-day vulnerabilities previously exploited by attackers to hack iPhones, iPads, or Macs. Zero-day vulnerabilities are security flaws known by attackers or researchers before the software vendor has become aware or Read More …