TLDR InfoSec

TLDR INFORMATION SECURITY 2023-09-15

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01GENERAL

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02ATTACKS & VULNERABILITIES

SPYWARE FOUND ON THE PHONE OF PROMINENT RUSSIAN JOURNALIST

Meduza co-founder Galina Timchenko's phone was infected with Pegasus spyware, making her the first Russian journalist to be targeted. The software is marketed exclusively to state clients for use against criminals, but has been used to target journalists, activists, and politicians around the world. Meduza worked with experts to investigate the attack and learn which states may have spent millions of dollars to hijack Timchenko's phone.

meduza.io18 min read

SAVE THE CHILDREN HIT BY RANSOMWARE

Cybercrime crew BianLian says it has broken into the IT systems of top nonprofit Save The Children and stolen a ton of files, including what they claim is financial, health, and medical data.

theregister.com2 min read

MICROSOFT TEAMS USED TO PUSH DARKGATE MALWARE

A new phishing campaign is sending malicious attachments that install the DarkGate malware loader via Microsoft Teams. The article contains more details about the obfuscation and detection evasion mechanisms that the malware uses.

bleepingcomputer.com2 min read

03STRATEGIES & TACTICS

ENFORCING DNS NAME CONSTRAINTS IN AWS PRIVATE CA

A very thorough tutorial on the unintuitive process to enforce DNS name constraints in an AWS private CA. The post includes sample code and tests to verify the constraints.

aws.amazon.com5 min read

FINDING A COMMAND INJECTION VULNERABILITY IN KUBERNETES

Akamai details the newly released CVE-2023-3676 which is a command injection vulnerability in Kubernetes on Windows hosts. This article details the vulnerability and provides a proof-of-concept YAML file, a method to check if you’re vulnerable, and an OPA rule to block the vulnerability.

akamai.com5 min read

HOW TO SECURELY BUILD PRODUCT FEATURES USING AI APIS

This article comprehensively discusses the risks associated with building product features using third-party Large Language Model APIs and offers controls available to mitigate these risks. The article also suggests traditional governance, risk, and compliance controls, as well as provides a lot of reference material on the topic.

tldrsec.com12 min read

04LAUNCHES & TOOLS

WINDOWS 11 ADDS NEW FEATURE TO BLOCK NTLM OVER SMB

NTLM over SMB is commonly used when attacking Windows domains in attacks such as pass-the-hash or password cracking. In a new update, Windows 11 will allow administrators to block NTLM responses over SMB to prevent hashes being leaked to external servers. Previously, the only way to achieve this was to disable NTLM completely

bleepingcomputer.com3 min read

CHROMEBOOKS WILL GET 10 YEARS OF AUTOMATIC UPDATES

Google has announced that all Chromebooks will receive regular automatic updates for 10 years, making them the most updated operating system available. The platform encourages the use of renewable materials, with plans to use more post-consumer recycled materials for future models. The company also aims to make repair processes quicker and more energy-efficient with new features such as adaptive charging and battery saver.

blog.google4 min read

CYBERCATCH LAUNCHES AI-ENABLED COMPLIANCE SOLUTION FOR NEW SEC CYBERSECURITY INCIDENT REPORTING AND RISK MANAGEMENT RULE

CyberCatch has launched an SEC Compliance Manager solution to enable compliance with the SEC's new Cybersecurity Incident Reporting and Risk Management Rule. The new rule mandates reporting and disclosure of a material cybersecurity incident within four business days and disclosure of cybersecurity risk management, strategy, and governance, including board oversight over cybersecurity risk management.

prnewswire.com2 min read

05MISCELLANEOUS

CISA RELEASES ITS OPEN SOURCE SOFTWARE SECURITY ROADMAP

CISA has released a roadmap outlining its Open Source Security strategy. The roadmap outlines what CISA’s role is in the space, how CISA plans to outline key dependencies, and how CISA plans to reduce risk to the government and consumers.

cisa.gov1 min read

A CRITICAL WEBP BUG HAS BEEN UNEARTHED

A significant vulnerability in the WebP Codec affecting the heap buffer overflow has been unearthed, prompting major browser vendors, including Google and Mozilla, to expedite the release of updates to address the issue.

stackdiary.com2 min read

CODE VULNERABILITIES PUT SKIFF EMAILS AT RISK

The Sonar Research team discovered and responsibly disclosed code vulnerabilities in Skiff's web client that would allow attackers to steal decrypted emails and impersonate victims if they interacted with malicious messages. This article provides technical details of the vulnerabilities found and advice on how to avoid such vulnerabilities in code.

sonarsource.com8 min read