Risky Business is a weekly information security podcast featuring news and in-depth interviews with industry luminaries. Launched in February 2007, Risky Business is a must-listen digest for information security pros. With a running time of approximately 50-60 minutes, Risky Business is pacy; a security podcast without the waffle.
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SANS Stormcast Friday, July 18th, 2025: Extended File Attributes; Critical Cisco ISE Patch; VMWare Patches; Quarterly Oracle Patches
SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)
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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
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continue reading
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
3073 episodes