SANS Stormcast Friday, July 18th, 2025: Extended File Attributes; Critical Cisco ISE Patch; VMWare Patches; Quarterly Oracle Patches (#) SANS Internet Storm Center's Daily Network Security News podcast

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SANS Stormcast Friday, July 18th, 2025: Extended File Attributes; Critical Cisco ISE Patch; VMWare Patches; Quarterly Oracle Patches (#)

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SANS Stormcast Friday, July 18th, 2025: Extended File Attributes; Critical Cisco ISE Patch; VMWare Patches; Quarterly Oracle Patches Hiding Payloads in Linux Extended File Attributes Xavier today looked at ways to hide payloads on Linux, similar to how alternate data streams are used on Windows. Turns out that extended file attributes do the trick, and he presents some scripts to either hide data or find hidden data. https://isc.sans.edu/diary/Hiding%20Payloads%20in%20Linux%20Extended%20File%20Attributes/32116 Cisco Patches Critical Identity Services Engine Flaw CVE-2025-20281, CVE-2025-20337, CVE-2025-20282 An unauthenticated user may execute arbitrary code as root across the network due to improperly validated data in Cisco’s Identity Services Engine. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ise-unauth-rce-ZAd2GnJ6 Oracle Critical Patch Update Oracle patched 309 flaws across 111 products. 9 of these vulnerabilities have a critical CVSS score of 9.0 or higher. https://www.oracle.com/security-alerts/cpujul2025.html Broadcom releases VMware Updates Broadcom fixed a number of vulnerabilities for ESXi, Workstation, Fusion, and Tools. https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/35877 keywords: broadcom; oracle; cisco; linux; xattr; extended file attributes

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