TLDR InfoSec

TLDR INFORMATION SECURITY 2024-01-05

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01ATTACKS & VULNERABILITIES

4.5 MILLION INDIVIDUALS AFFECTED BY DATA BREACH AT HEALTHEC

A data breach at HealthEC impacted 4.5 million customers. The stolen files contained personal information such as names, addresses, dates of birth, Social Security numbers, taxpayer identification numbers, medical information, health insurance information, and billing and claims information. All impacted users have been informed.

securityweek.com3 min read

FALLON AMBULANCE SERVICE DATA BREACH IMPACTS 911K INDIVIDUALS

Transformative Healthcare is informing more than 900,000 individuals that their personal information was stolen in a data breach at now-defunct subsidiary Fallon Ambulance Service. The files contained names, addresses, Social Security numbers, COVID-19 testing and vaccination information, medical information, and information provided to Fallon in connection with employment. Fallon notified impacted individuals about the breach in December 2023.

healthitsecurity.com2 min read

CISA WARNS OF EXPLOITED VULNERABILITIES IN CHROME AND EXCEL PARSING LIBRARY

The Cybersecurity and Infrastructure Security Agency (CISA) has warned federal agencies of two recently identified vulnerabilities that have been exploited. The vulnerabilities include a Google Chrome flaw and a bug in the open-source Perl library "Spreadsheet::ParseExcel" for reading information in Excel files. The vulnerabilities expose systems to potential remote code execution and data theft.

hackread.com2 min read

02STRATEGIES & TACTICS

COMPROMISING GOOGLE ACCOUNTS: MALWARES EXPLOITING UNDOCUMENTED OAUTH2 FUNCTIONALITY FOR SESSION HIJACKING

A critical Google exploit was discovered in October 2023 that enabled persistent access after password resets. A threat actor reverse-engineered this into Lumma Infostealer, protecting it with blackboxing. The exploit spread rapidly among malware groups. CloudSEK identified its root as an undocumented Google Oauth endpoint "MultiLogin". This report examines the exploit's discovery, evolution, and cybersecurity implications.

cloudsek.com10 min read

KRAMPUS DELIVERS AN END-OF-YEAR STRUTS VULNERABILITY

NIST updated CVE-2023-50164 for a new path traversal vulnerability in struts-core. It is reminiscent of the 2017 Equifax breach stemming from an unpatched Struts issue. This post discusses the vulnerability, provides a proof-of-concept exploit, and outlines remediation steps.

snyk.io8 min read

YOU SHOULDN'T RUN NSA-GRADE WI-FI AT HOME. HERE'S HOW TO DO IT

This blog post describes the steps to setup an enterprise-grade Wifi network with WPA3 Enterprise 192-bit and Radius server for authentication. The post mentions that this is more than anyone needs for a home network, but it's fun to learn how to set up a secure Wifi infrastructure. It walks through creating a Certificate Authority, Radius server, and configuring access points to set up a secure network using WPA3 Enterprise.

smallstep.com14 min read

03LAUNCHES & TOOLS

SUASS

Cybersecurity is a critical field in today's digital world. This repository aims to provide a centralized location for a wealth of knowledge and study materials. Whether you're just starting your journey in cybersecurity or an experienced professional, you'll find valuable resources here.

github.comGitHub repository

HARDENING

A quick way to make a Ubuntu server a bit more secure by hardening the image/VM when it’s running.

github.comGitHub repository

NGOCOK

ngrok Collaborator Link is a free Burp Collaborator alternative built on ngrok.

github.comGitHub repository

04MISCELLANEOUS

MANDIANT, THE SECURITY FIRM GOOGLE BOUGHT FOR $5.4 BILLION, GETS ITS X ACCOUNT HACKED

The hacked Mandiant account was initially used to masquerade as one belonging to Phantom, a company that offers a wallet for storing cryptocurrency. Posts on X encouraged people to visit a malicious website to see if their wallet was one of 250,000 that were eligible for an award of tokens. Mandiant has since regained control of the account and is investigating the incident.

arstechnica.com4 min read

DON’T TRUST LINKS WITH KNOWN DOMAINS: BMW AFFECTED BY REDIRECT VULNERABILITY

Cybernews researchers discovered two BMW subdomains that were vulnerable to a SAP redirect vulnerability. The vulnerability allows attackers to redirect users to a malicious website or inject arbitrary content into a legitimate website. BMW was immediately notified and the vulnerability was fixed.

securityaffairs.com3 min read

LASTPASS NOW REQUIRES 12-CHARACTER MASTER PASSWORDS

LastPass has announced that it will begin requiring all users to use 12-digit master password minimums. This has been the default setting since 2018 but could be bypassed until now. LastPass will also compare master passwords against a database of leaked credentials and surface a pop-up in case of a match.

bleepingcomputer.comGitHub repository