The Rising Threat of ToolShell: Unpacking the July 2025 SharePoint Zero-Day Exploits

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Anatomy of the ToolShell Exploit Chain Beginning around July 7, 2025, adversaries exploited a deserialization flaw in SharePoint’s on-premises service (CVE-2025-53770) to upload a malicious spinstall0.aspx payload, triggering code execution within the w3wp.exe process. A secondary path-traversal flaw (CVE-2025-53771) then enabled privilege escalation and lateral movement across corporate networks . Security researchers at Eye Security and Palo Alto Networks’ Unit 42 observed attackers bypassing identity controls – MFA and SSO – to exfiltrate machine keys, deploy persistent backdoors, and chain ransomware operations within hours of initial compromise . State-Backed Actor Involvement Microsoft attributes the campaign primarily to Storm-2603, assessed with moderate confidence to be China-based, alongside historically linked groups Linen Typhoon and Violet Typhoon . These actors have a track record of blending cyber-espionage with financially motivated ransomware like Warlock and Lo...
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AirPlay Vulnerability Puts Billions of Apple Users at Risk

 


The recent discovery of "AirBorne" vulnerabilities in Apple's AirPlay protocol has exposed a significant security flaw affecting billions of devices worldwide. These vulnerabilities allow hackers on the same Wi-Fi network to deploy malware, access private data, or eavesdrop on conversations. While Apple has issued security updates, many third-party devices relying on the affected AirPlay SDK may not receive timely patches, leaving users exposed.

Cybersecurity firm Oligo Security identified 23 vulnerabilities in Apple's AirPlay protocol and SDK, collectively dubbed "AirBorne." These flaws enable zero-click attacks and device takeovers on local networks, potentially allowing malware to spread automatically to other nearby devices using AirPlay. Public spaces like coffee shops and airports are particularly vulnerable.

Apple has patched these vulnerabilities in its own devices with the release of iOS and iPadOS 18.4, macOS Ventura 13.7.5, macOS Sonoma 14.7.5, macOS Sequoia 15.4, and visionOS 2.4. However, many third-party devices that use the AirPlay SDK, such as smart TVs, speakers, and CarPlay systems, remain at risk due to inconsistent update management.

The "AirBorne" vulnerabilities highlight the broader security risks when third-party manufacturers integrate Apple technologies without consistent patching practices. This situation underscores the need for users to ensure their devices have the latest updates, disable AirPlay when not in use, and limit AirPlay to trusted devices.

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