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SANS Stormcast Friday, May 23rd 2025: Backup Connectivity; Windows 2025 dMSA Abuse; Samlify Vulnerability

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Manage episode 484280502 series 128829
Content provided by SANS ISC Handlers and Johannes B. Ullrich. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by SANS ISC Handlers and Johannes B. Ullrich or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
Resilient Secure Backup Connectivity for SMB/Home Users
Establishing resilient access to a home network via a second ISP may lead to unintended backdoors. Secure the access and make sure you have the visibility needed to detect abuse.
https://isc.sans.edu/diary/Resilient%20Secure%20Backup%20Connectivity%20for%20SMB%20Home%20Users/31972
BadSuccessor: Abusing dMSA to Escalate Privileges in Active Directory
An attacker with the ability to create service accounts may be able to manipulate these accounts to mark them as migrated accounts, inheriting all privileges the original account had access to.
https://www.akamai.com/blog/security-research/abusing-dmsa-for-privilege-escalation-in-active-directory
Flaw in samlify That Opens Door to SAML Single Sign-On Bypass CVE-2025-47949
The samlify Node.js library does not verify SAML assertions correctly. It will consider the entire assertion valid, not just the original one. An attacker may use this to obtain additional privileges or authenticate as a different user
https://www.endorlabs.com/learn/cve-2025-47949-reveals-flaw-in-samlify-that-opens-door-to-saml-single-sign-on-bypass
  continue reading

2759 episodes

Artwork
iconShare
 
Manage episode 484280502 series 128829
Content provided by SANS ISC Handlers and Johannes B. Ullrich. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by SANS ISC Handlers and Johannes B. Ullrich or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
Resilient Secure Backup Connectivity for SMB/Home Users
Establishing resilient access to a home network via a second ISP may lead to unintended backdoors. Secure the access and make sure you have the visibility needed to detect abuse.
https://isc.sans.edu/diary/Resilient%20Secure%20Backup%20Connectivity%20for%20SMB%20Home%20Users/31972
BadSuccessor: Abusing dMSA to Escalate Privileges in Active Directory
An attacker with the ability to create service accounts may be able to manipulate these accounts to mark them as migrated accounts, inheriting all privileges the original account had access to.
https://www.akamai.com/blog/security-research/abusing-dmsa-for-privilege-escalation-in-active-directory
Flaw in samlify That Opens Door to SAML Single Sign-On Bypass CVE-2025-47949
The samlify Node.js library does not verify SAML assertions correctly. It will consider the entire assertion valid, not just the original one. An attacker may use this to obtain additional privileges or authenticate as a different user
https://www.endorlabs.com/learn/cve-2025-47949-reveals-flaw-in-samlify-that-opens-door-to-saml-single-sign-on-bypass
  continue reading

2759 episodes

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