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Option for progression in my current role. Cert advice UK
https://www.reddit.com/r/Pentesting/comments/yyjthh/option_for_progression_in_my_current_role_cert/

I am currently a junior cyber security analyst. I have been using Tryhackme on and off for about a year now, so I’d say that I have at least foundational knowledge of pen testing. There may be an opportunity for me to have training/certs paid for by my company, and I think it would be beneficial to broaden my skills and properly train up in pen testing. I can train for other security certs in my own time and whilst I’m working, so I think it makes more sense to have them pay for something that I can’t do so easily in my day-to-day job. What training/certs would you recommend for someone in my situation? Considering that I won’t necessarily be getting these certs in hopes of a getting a new job, but rather using them as a formalised training plan (although having a cert is always nice). submitted by /u/CannyFatcher (https://www.reddit.com/user/CannyFatcher)
[link] (https://www.reddit.com/r/Pentesting/comments/yyjthh/option_for_progression_in_my_current_role_cert/) [comments] (https://www.reddit.com/r/Pentesting/comments/yyjthh/option_for_progression_in_my_current_role_cert/)

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Exploit Collector
AppleAVD deallocateKernelMemoryInternal Missing Surface Lock

https://3.bp.blogspot.com/-BKQJl1oXbqE/WWlvQjSZMJI/AAAAAAAAINE/UWb7sXt4uvssyXVrWpwrINbeIcIr93_vACLcBGAs/s1600/h33.png
In AppleAVD.kext, pixel buffers are mapped by calling AppleAVDUserClient::_mapPixelBuffer, which eventually calls AppleAVD::allocateKernelMemoryInternal. If the buffer is an IOSurface, the function calls IOSurface::deviceLockSurface before allocating memory by calling prepare. But when a pixel buffer is unmapped by calling AppleAVDUserClient::_unmapPixelBuffer, which calls AppleAVD::deallocateKernelMemoryInternal, the IOSurface is not locked before calling complete. This means that mapping and unmapping can occur at the same time, leading to kernel memory corruption. This bug could allow escalation to kernel privileges from a local app.

SHA-256 | fa06dd34c9fcfaf9f03c6a70c7fd7fc078ff6872d40e76e3295731e58256ce8a

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Source:packetstormsecurity.com

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AppleAVD AppleAVDUserClient::decodeFrameFig Memory Corruption

https://1.bp.blogspot.com/-93ZP4TpCwBw/WWlu7wGG0SI/AAAAAAAAIJg/yDCONAkAMz8MX1TtbGL6KFo1njFu_UyvACLcBGAs/s1600/h111.png
In the function AppleAVDUserClient::decodeFrameFig, a location in the decoder's IOSurface input buffer is calculated, and then bzero is called on it. The size of this IOSurface's allocation is controllable by the userspace caller, so the calculated pointer can go out of bounds, leading to memory corruption. This issue could potentially allow an unprivileged local application to escalate its privileges to the kernel.

SHA-256 | a9f971c8dcec3381b92b6bafb61fc99c1b1da326eec460ede2682c51580f3f3e

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Source:packetstormsecurity.com

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Kali Linux Tutorials
Unblob : Extract Files From Any Kind Of Container Formats

Unblob is an accurate, fast, and easy-to-use extraction suite. It parses unknown binary blobs for more than 30 different archive, compression, and file-system formats, extracts their content recursively, and carves out unknown chunks that have not been accounted for.

Unblob is free to use, licensed with the MIT license. It has a Command Line Interface and can be used as a Python library.
This turns unblob into the perfect companion for extracting, analyzing, and reverse engineering firmware images.

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https://raw.githubusercontent.com/onekey-sec/unblob/main/docs/demo.svg

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hacking: security in practice
How do I test the BlueKeep exploit?

I want to do the BlueKeep exploit, but I want to do it legally. I know how to do the exploit, I am just trying to figure out how to set up something that is vulnerable to BlueKeep. How can I accomplish this? The only thing I can think of that might work is setting up a VM, but I am not sure how I could make a VM that is vulnerable to BlueKeep. All I can find online is that it needs to be some sort of Windows 7/Windows Server 2008 R2, but I am not sure how to configure it so that it is actually vulnerable.

submitted by /u/TheRealTengri
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