SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

• SANS Stormcast Tuesday Feb 25th: Unfurl Updates; Google Ditches SMS; Paypal Phish; Exim, libXML, Parallels Vuln

  Unfurl Update Released Unfurl released an Update fixing a few bugs and adding support to decode BlueSky URLs. https://isc.sans.edu/diary/Unfurl%20v2025.02%20released/31716 Google Confirms GMail To Ditch SMS Code Authentication Google no longer considers SMS authentication save enough for GMail. Instead, it pushes users to use Passkeys, or QR code based app authentication https://www.forbes.com/sites/daveywinder/2025/02/23/google-confirms-gmail-to-ditch-sms-code-authentication/ Beware of Paypal New Address Feature Abuse Attackers are using "address change" e-mails to send links to phishing sites or trick users into calling fake tech support phone numbers. Attackers are just adding the malicious content as part of the address. The e-mail themselves are legitimate PayPal emails and will pass various spam and phishing filters. https://www.bleepingcomputer.com/news/security/beware-paypal-new-address-feature-abused-to-send-phishing-emails/ Exim SQL Injection Vulnerability Exim, with sqlite support and ETRN enabled, is vulnerable to a simple SQL injection exploit. A PoC has been released https://www.exim.org/static/doc/security/CVE-2025-26794.txt https://github.com/OscarBataille/CVE-2025-26794? XMLlib patches https://gitlab.gnome.org/GNOME/libxml2/-/issues/847 https://gitlab.gnome.org/GNOME/libxml2/-/issues/828 0-Day in Parallels https://jhftss.github.io/Parallels-0-day/

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• SANS Stormcast Monday Feb 24th: sigs.py update; Google Introdusing Quantum Safe Sigs; MSFT Update Win 11 issues; LTE/5G Vulns;

  Tool Update: Sigs.py Jim updates sigs.py. The tool verifies hashes for files and automatically recognizes what hash is used. https://isc.sans.edu/diary/Tool%20update%3A%20sigs.py%20-%20added%20check%20mode/31706 Google Announcing Quantum Safe Digital Signatures in Cloud KMS Google announced the option to use quantum safe digital signatures for its cloud key management system. https://cloud.google.com/blog/products/identity-security/announcing-quantum-safe-digital-signatures-in-cloud-kms Windows 11 Patch issues The February Patch Tuesday appears to have caused issues with a number of Windows 11 systems. In particular the usability of the file manager appears to be affected. https://www.windowslatest.com/2025/02/16/windows-11-kb5051987-breaks-file-explorer-install-fails-on-windows-11-24h2/ LTE/5G Vulnerabilities Researchers at the university of Florida have identified a large number of vulnerabilities in 5G and LTE networks. https://nathanielbennett.com/publications/ransacked.pdf

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• SANS Stormcast Friday Feb 21st: Kibana Queries; Mongoose Injection; U-Boot Flaws; Unifi Protect Camera Vulnerabilities; Protecting Network Devices as Endpoint (Austin Clark @sans_edu)

  Using ES|QL In Kibana to Query DShield Honeypot Logs Using the "Elastic Search Piped Query Language" to query DShield honeypot logs https://isc.sans.edu/diary/Using%20ES%7CQL%20in%20Kibana%20to%20Queries%20DShield%20Honeypot%20Logs/31704 Mongoose Flaws Put MongoDB at risk The Object Direct Mapping library Mongoose suffers from an injection vulnerability leading to the potenitial of remote code exeuction in MongoDB https://www.theregister.com/2025/02/20/mongoose_flaws_mongodb/ U-Boot Vulnerabilities The open source boot loader U-Boot does suffer from a number of issues allowing the bypass of its integrity checks. This may lead to the execution of malicious code on boot. https://www.openwall.com/lists/oss-security/2025/02/17/2 Unifi Protect Camera Update https://community.ui.com/releases/Security-Advisory-Bulletin-046-046/9649ea8f-93db-4713-a875-c3fd7614943f

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• SANS Stormcast Wednesday Feb 20th: XWorm Cocktail; Quantum Computing Breakthrough; Signal Phishing

  XWorm Cocktail: A Mix of PE data with PowerShell Code Quick analysis of an interesting XWrom sample with powershell code embedded inside an executable https://isc.sans.edu/diary/XWorm+Cocktail+A+Mix+of+PE+data+with+PowerShell+Code/31700 Microsoft's Majorana 1 Chip Carves New Path for Quantum Computing Microsoft announced a breack through in Quantum computing. Its new prototype Majorana 1 chip takes advantage of exotic majorana particles to implement a scalable low error rate solution to building quantum computers https://news.microsoft.com/source/features/ai/microsofts-majorana-1-chip-carves-new-path-for-quantum-computing/ Russia Targeting Signal Messenger Signal is well regarded as a secure end to end encrypted messaging platform. However, a user may be tricked into providing access to their account by scanning a QR code masquerading as a group channel invitation. https://cloud.google.com/blog/topics/threat-intelligence/russia-targeting-signal-messenger/

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• SANS Stormcast Tuesday Feb 19th: ModelScan AI Model Security; OpenSSH Vuln; Juniper Patches; Dell BIOS Vulnerability

  ModelScan: Protection Against Model Serialization Attacks ModelScan is a tool to inspect AI models for deserialization attacks. The tool will detect suspect commands and warn the user. https://isc.sans.edu/diary/ModelScan%20-%20Protection%20Against%20Model%20Serialization%20Attacks/31692 OpenSSH MitM and DoS Vulnerabilities OpenSSH Patched two vulnerabilities discovered by Qualys. One may be used for MitM attack in specfic configurations of OpenSSH. https://www.qualys.com/2025/02/18/openssh-mitm-dos.txt Juniper Authentication Bypass Juniper fixed an authentication bypass vulnerability that affects several prodcuts. The patch was released outside the normal patch schedule. https://supportportal.juniper.net/s/article/2025-02-Out-of-Cycle-Security-Bulletin-Session-Smart-Router-Session-Smart-Conductor-WAN-Assurance-Router-API-Authentication-Bypass-Vulnerability-CVE-2025-21589?language=en_US DELL BIOS Patches DELL released BIOS updates fixing a privilege escalation issue. The update affects a large part of Dell's portfolio https://www.dell.com/support/kbdoc/en-en/000258429/dsa-2025-021

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