Harry Sintonen
Infosec consultant @WithSecure - Coding, Research + various other interests
- 34 Posts
- 27 Comments
Harry Sintonen@infosec.exchangeOPtoPrivacy@fedia.io•No one — absolutely no one — saw this coming: "The UK government is developing a “murder prediction” programme which it hopes can use personal data of those known to the authorities to identify the6·8 days agoThis here is the prime example of why we must stay vigilant about the collection and dissemination of personal information.
Also, while this article only mentions “algorithm”, it’s not difficult to predict that AI models are or will be used for this kind of task.
AI advocates often claim that any plans to regulate AI are just a hindrance to progress. I will take regulation if it will stop this kind of madness.
Harry Sintonen@infosec.exchangeOPtoMicrosoft Windows@fedia.io•#Microsoft is removing the possibility to use a local account with #Windows.1·27 days ago@HardlyWorgen@mstdn.party Sure, those methods might work for now. But if Microsoft follows their reasoning (“We’re removing X from the build to enhance security and user experience of Windows 11. This change ensures that all users exit setup with internet connectivity and a Microsoft Account.”) they will remove these methods eventually as well.
Harry Sintonen@infosec.exchangeOPtoMicrosoft Windows@fedia.io•#Microsoft is removing the possibility to use a local account with #Windows.1·27 days ago@infinity Yeah, it does for now. I fully expect Microsoft to remove that registry key or the associated functionality next.
After all not doing so would mean that users could accidentally setup the system “without working internet connectivity and a Microsoft Account”.
That would be terrible for security and user experience *cough* business.
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•The fallout from the malicious tj-actions/changed-files is still being investigated. It is fortuitous that this malicious commit was identified fairly quickly, as further compromise of major OSS2·1 month ago@jerry It largely depends on how well the initial impact is cleaned up. I’m hoping we won’t see a ton of backdoors in various components next.
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•#curl predecessor httpget 0.2 from around 1996/1997 is 165 lines. Needless to say, it has multiple critical security vulnerabilities. How many can you spot?1·2 months agoThe httpget 0.2 doesn’t quite work in the form it was uploaded.
First it uses hardcoded argv, argc instead of getting from the app invocation (as args in main, the code uses void main).
Second obtaining any data from the socket will result in the app stopping and leaving behind an empty file (if (nread) break;).
This program could never download anything. It is likely some work in progress or modified test version of httpget. Since it includes some windows specific headers and has disabled the unix ones I can only presume it was some earlier attempt to get the tool running on windows.
So while the code has a local stack buffer overflow it can’t be triggered for this early version.
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•As expected #Apple has nuked Advanced Data Protection (ADP) for UK users. What does this mean in practice? UK govt will be able to decrypt all UK user's #iCloud data at will.1·2 months agoIf this trend continues, we will be losing the ability to use secure means of communication with UK friends and colleagues. For example, #signalapp will rather get out of the UK than add backdoors: https://www.bbc.com/news/technology-64584001
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•#Nordnet - nordic digital platform for savings and investments - had an issue where people could see each others information. The website has been taken down for now.1·2 months ago“#Nordnet admits that it was possible to trade in other people’s depots during the IT breakdown”
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•#Nordnet - nordic digital platform for savings and investments - had an issue where people could see each others information. The website has been taken down for now.1·2 months ago#Nordnet services appear to be back.
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•#Nordnet - nordic digital platform for savings and investments - had an issue where people could see each others information. The website has been taken down for now.1·2 months agoNordnet has a lot of technical issues to sort out. If the malfunction allowed unauthorized parties to operate the accounts it will be quite messy to sort out.
Among with technical part, they will have to deal with the regulatory issues, in particular the Financial Supervisory Authority. They will demand answers.
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•#cURL doesn't validate SSH host identity if known_hosts file is missing. I think this is a #vulnerability, but the project disagrees. Advisory is here:1·3 months ago@SatyrSack@feddit.org Curl will likely address this eventually even though they don’t consider it a vulnerability. See https://github.com/curl/curl/issues/16197
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•#cURL doesn't validate SSH host identity if known_hosts file is missing. I think this is a #vulnerability, but the project disagrees. Advisory is here:3·3 months agoThe latest curl version 8.12.0 (released today) is affected.
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•Apparently there's a major #vulnerability in #AMD CPUs: "AMD Microcode Signature Verification Vulnerability."1·3 months agoThe details of the #AMD Microcode Signature Verification #Vulnerability are out:
- https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3019.html
- https://github.com/google/security-research/security/advisories/GHSA-4xq7-4mgh-gp6w
#infosec #infosecurity #cybersecurity
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•Apparently there's a major #vulnerability in #AMD CPUs: "AMD Microcode Signature Verification Vulnerability."3·3 months agoSo what could you do if the microcode signature verification can be bypassed? While not directly applicable, this #defcon presentation “DEF CON 31 - Backdoor in the Core - Altering Intel x86 Instruction Set at Runtime - Krog, Skovsende” gives some ideas: https://www.youtube.com/watch?v=Zda7yMbbW7s
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•Apparently there's a major #vulnerability in #AMD CPUs: "AMD Microcode Signature Verification Vulnerability."2·3 months ago@gabrielesvelto Yeah, information for that vulnerability is non-existent as well. In all the vulnerability management doesn’t seem to be going great here.
Update: The “PeCoffLoader memory overflow issue for security” likely is CVE-2024-38796: https://nvd.nist.gov/vuln/detail/cve-2024-38796
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•Apparently #macOS now considers #Docker malware.5·3 months agoI had actually forgotten I still had Docker installed on this system. I’ve now fixed this issue by uninstalling the malicious app. I’m using #podman elsewhere already, just had this install lingering still. Apple: Thanks for the warning!
Harry Sintonen@infosec.exchangeOPtoCybersecurity@fedia.io•Apparently #macOS now considers #Docker malware.4·3 months ago@g@irrelephant.co Oof, that’s not good at all.
Harry Sintonen@infosec.exchangeOPtoPrivacy@fedia.io•#Apple Intelligence is now available in the European Union. While some features may not be fully functional yet, basic functionalities such as rewriting selected text seem to be working correctly. If1·5 months ago@pancake@infosec.exchange it’s restricted for other than macOS, it seems. In macOS it worked fine with location in Finland.
Harry Sintonen@infosec.exchangeOPtoPrivacy@fedia.io•#Apple Intelligence is now available in the European Union. While some features may not be fully functional yet, basic functionalities such as rewriting selected text seem to be working correctly. If1·5 months agoSo far all my Apple Intelligence tests have been using a local model. The privacy report from Setting > Privacy & Security > Apple Intelligence Report > Export Activity generates JSON with:
{
“modelRequests”: [],
“privateCloudComputeRequests”: []
}#appleintelligence #privacy
Harry Sintonen@infosec.exchangeOPtoPrivacy@fedia.io•#Apple Intelligence is now available in the European Union. While some features may not be fully functional yet, basic functionalities such as rewriting selected text seem to be working correctly. If1·5 months ago@pancake@infosec.exchange Really? It works for me and I’m in Finland, part of European Union. My account is indicates this as well.
@CrashNBurns@infosec.exchange Ooof. I wonder if it’s available in some states though, for example California? They have https://oag.ca.gov/privacy/ccpa