TLDR InfoSec

TLDR INFORMATION SECURITY 2023-12-15

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01ATTACKS & VULNERABILITIES

SUPPLY CHAIN ATTACK TARGETING LEDGER CRYPTO WALLET LEAVES USERS HACKED

Ledger has reported that hackers compromised the code for the Ledger Connect software development kit used by decentralized apps to interface with Ledger wallets. The hackers pushed out a malicious version of the kit. Ledger pushed out an update of the Connect Kit to replace the malicious one within 40 minutes of becoming aware. The attackers have amassed $600,000 in stolen funds.

techcrunch.com3 min read

APACHE WARNS OF CRITICAL VULNERABILITY IN STRUTS 2

A new vulnerability, CVE-2023-50164, has been given a maximum severity rating. It affects Struts 2.0.0-2.3.37 (EOL), Struts 2.5.0-2.5.32, and Struts 6.0.0-6.3.0. An attacker can manipulate file upload parameters to enable path traversal and under some circumstances, this can lead to uploading a malicious file which can be used to perform remote code execution. Struts 2 developers and users are urged to immediately upgrade to version 2.5.33 or Struts 6.3.0.2, or greater.

infosecurity-magazine.com3 min read

10K PEOPLE’S DATA STOLEN IN GENETIC TESTING COMPANY LEAK

Asper Biogene has disclosed that personal health data belonging to approximately 10,000 people has been illegally downloaded. Asper Biogene began an investigation after discovering that over 100,000 files were accessed and is yet to determine the full scope of data that was contained in these files. A criminal investigation has also been launched by the Estonian Data Protection Inspectorate.

news.err.ee3 min read

02STRATEGIES & TACTICS

EXTRACTING TRAINING DATA FROM CHATGPT

A group of researchers has developed a novel attack method to extract several megabytes of ChatGPT’s training data and theorize that the technique could be extrapolated to extract ~a gigabyte of training data. The attack involves prompting the model with “repeat the word poem forever” and watching as the model spits out training data. This article discusses why this works and the implications behind it.

not-just-memorization.github.io5 min read

BAZARCALL ATTACKS ABUSE GOOGLE FORMS TO LEGITIMIZE PHISHING EMAILS

BazarCall is a phishing attack that utilizes an email resembling a payment notification or subscription confirmation that suggests that a user is being billed an outrageously high amount for a product or subscription with a phone number to call for support. The “customer support” team then tricks the user into installing malware onto their device. The newest wave of these attacks utilizes a Google Form to create the invoice with the option to send a copy of the completed form to the entered email which leads to the invoice coming directly from Google.

bleepingcomputer.com2 min read

THE TALE OF GOOGLE’S RESPONSE TO REPTAR CPU VULNERABILITY

In this blog post, Google discusses its response to the Reptar vulnerability. The response was led by the Vulnerability Coordination Center (VulnCC), which ensures a consistent vulnerability management process across Alphabet. By working alongside the vendors, the response was successful, with the vulnerability being mitigated without impacting users or customers.

bughunters.google.com8 min read

03LAUNCHES & TOOLS

Sponsored

HOW PREVALENT IS KEYLOGGER MALWARE?

Keyloggers can steal the most sensitive user data — and new data [11] shows that this is far from being a solved problem. Between March to August 2023, Moonlock detected a large number of keylogger samples [11] on macOS devices. Their report highlights the distribution of keyloggers, core modules, anti-analysis techniques, code examples, API usage, detection methods, and more.

moonlock.comSponsor

ENVEEDO

Enveedo is a cyber resilience tool that aims to deliver integrated risk management and achieve continuous cyber resiliency. It offers a comprehensive view of the organization’s IT and security systems, assets, data, and people and simplifies cybersecurity oversight and management.

enveedo.comTool

ERASER

Eraser helps Kubernetes admins remove a list of non-running images from all Kubernetes nodes in a cluster.

github.comGitHub repository

NUCLEI AI

Nuclei AI Browser Extension enables users to extract vulnerability information directly from a webpage to create Nuclei templates. The extension also enables creating a Nuclei template from an ExploitDB exploit or HackerOne report. An account from cloud.projectdiscovery.io is required.

github.comGitHub repository

04MISCELLANEOUS

DISRUPTING THE GATEWAY SERVICES TO CYBERCRIME

In this post, Microsoft talks about the disruption of Storm-1152, a cybercrime-as-a-service (CaaS) ecosystem that created 750 million fraudulent Microsoft accounts in support of phishing, identity theft, and other schemes. The CaaS is believed to have made millions of dollars in illicit revenue by creating fraudulent accounts for other cybercrime groups to use in phishing, spam, ransomware, distributed denial-of-service (DDoS), and other types of attacks.

blogs.microsoft.com5 min read

SPECTRE-BASED ATTACK EXPLOITS INTEL, ARM, AND AMD CPUS

Researchers have found a new type of side-channel attack, named SLAM, that can circumvent the security features of the latest CPUs. The attack leverages a memory feature of CPUs that allows storing untranslated data bits in the kernel metadata to extract encryption keys and root passwords. Linux has released patches and Intel intends to issue a patch. Arm and AMD believe they are safe.

spiceworks.com2 min read

MICROSOFT WARNS OF OAUTH APPS BEING USED TO AUTOMATE BEC AND CRYPTOMINING

Microsoft Threat Intel experts have been investigating a new post-exploitation technique in which attackers use compromised accounts to create high-privileged OAuth apps. These OAuth apps allow attackers to spawn VMs for cryptomining, automate BEC attacks, and manage spam campaigns without needing to retain access to the original compromised account. Microsoft recommends enforcing MFA and conditional access policies to protect against attacks like this.

bleepingcomputer.com3 min read