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Critical Exploit in MediaTek Wi-Fi Chipsets: Zero-Click Vulnerability
a post going over 4 exploits for CVE-2024-20017, a remotely exploitable buffer overflow in a component of the MediaTek MT7622 SDK.
Topics /
Security & Privacy
The most popular blog posts about security & privacy on Hacker News. 536 posts.
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Hacking misconfigured AWS S3 buckets: A complete guide
AWS S3 (Simple Storage Service) buckets are a popular storage service used by software companies and organizations to store public as well as sensitive data. However, the implementation of this servic...
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OpenSSH Backdoors
Imagine this: an OpenSSH backdoor is discovered, maintainers rush to push out a fixed release package, security researchers trade technical details on mailing lists to analyze the backdoor code. Speculation abounds on the attribution and motives of the attacker, and the tech media pounces on the story. A near miss
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Google's threat model for post-quantum cryptography
Read on to understand how Google currently evaluates the threat landscape related to post-quantum cryptography, and what implications this has for migrating from classical cryptographic algorithms to PQC.
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SAPwned: SAP AI vulnerabilities expose customers' cloud environments and privat
Wiz Research uncovers vulnerabilities in SAP AI Core, allowing malicious actors to take over the service and access customer data.
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The Insecurity of Debian
The difference in security defaults between Debian and Red Hat.
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Timeshare owner? The Mexican drug cartels want you
The FBI is warning timeshare owners to be wary of a prevalent telemarketing scam involving a violent Mexican drug cartel that tries to trick people into believing someone wants to buy their property. This is the story of a couple who recently lost more than $50,000 to an ongoing timeshare scam that spans at least two…
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SecureDrop Protocol
This blog post is a part of a series about our research toward the next generation of the SecureDrop whistleblowing …
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Inside the Massive Alleged AT&T Data Breach
I hate having to use that word - "alleged" - because it's so inconclusive and I know it will leave people with many unanswered questions. (Edit: 12 days after publishing this blog post, it looks like the "alleged" caveat can be dropped, see the addition at the end of the post
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The sins of the 90s: Questioning a puzzling claim about mass surveillance
Meredith Whittaker, president of the Signal Foundation, gave an interesting talk at NDSS 2024 titled "AI, Encryption, and the Sins of the 90s".
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What "consent" looks like for the DEA and TSA
The Drug Enforcement Agency (DEA) and the Transportation Security Administration (TSA) have been working together for years to steal travelers’ money.
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IBDNS: Intentionally Broken DNS server
Afnic, the association in charge of the .fr top-level domain and several other French overseas and generic TLDs, announced today the release as free software of its tool named IBDNS, standing for Intentionally Broken DNS.
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Some Fritz!Box modems might have been hijacked
TL;DR: Fritz!Box devices using custom DNS resolution services like Pihole or Adguard might have been compromised by DNS hijacking and using those Fritz!Box devices might be unsafe, especially for Windows users. Update: I updated the article to downscale the severity of the situation. After posting the article on HN, I…
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DJI – The ART of obfuscation
Study of an Android runtime (ART) hijacking mechanism for bytecode injection through a step-by-step analysis of the packer used to protect the DJI Pilot Android application.
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Will the new judicial ruling in the Vizio lawsuit strengthen the GPL?
Last week an important judicial ruling came down on a very intriguing case about open source license compliance. In this post, I'll talk about what makes it so interesting and potentially impactful across our industry.
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Don’t let your domain name become a sitting duck
More than a million domain names — including many registered by Fortune 100 firms and brand protection companies — are vulnerable to takeover by cybercriminals thanks to authentication weaknesses at a number of large web hosting providers and domain registrars, new research finds.
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Reverse-engineering an encrypted IoT protocol
Extract metrics from your GoodWe solar PV system, and improve its security too
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The Curious Case of MD5
Recently I came across a puzzling fact: the International Criminal Court hashes electronic evidence with MD5, even though MD5 is badly broken. So, why are lawyers using broken, outdated technology? The answer involves the common law system, cultural isolation, and a single man named Don L. Lewis.
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Sei pays out $2M bug bounty
In April 2024, I found and reported two critical bugs to Sei Network concerning their layer-1 blockchain. One of these issues impacted the chain’s availability, and the other its integrity. The Sei Foundation awarded me $75,000 and $2,000,000 respectively for these reports.
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SSH as a Sudo Replacement
A major caveat in tools like sudo and doas for that matter is that they rely on setuid binaries and privilege escalation in order to run commands as root.
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The funny rules of SpamAssassin in 2023
This investigation was surprising to me so I thought it would be interesting to share my findings and I hope you'll like it.
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The Nearest Neighbor Attack
In early February 2022, notably just ahead of the Russian invasion of Ukraine, Volexity made a discovery that led to one of the most fascinating and complex incident investigations Volexity had ever worked. The investigation began when an alert from a custom detection signature Volexity had deployed at a customer site…
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New ways we're tackling spammy, low-quality content on Search
We’re making updates to show less unoriginal, low-quality content on Search.
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Colliding with the SHA prefix of Linux's initial Git commit
Or, how to break all the tools that parse the "Fixes:" tag Kees Cook There was a recent discussion about how Linux's "Fixes" tag, which ...
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ACF has been hijacked
It’s super late at night on Thanksgiving weekend in Canada. I shouldn’t be thinking about weird internet drama, but here we are.
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FIDO Alliance publishes new spec to let users move passkeys across providers
The FIDO Alliance has published a working draft of a new set of specifications for secure credential exchange that, when standardized and implemented by
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