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Daily Edition · Page 5

THE DAILY INDEX

Technology, AI, software, security, crypto and business

ATTACKS & VULNERABILITIES

TLDR InfoSec

TLDR InfoSec

VULNERABILITIES OF REALTEK SD CARD READER DRIVER, PART 1

The Realtek SD card reader driver has multiple vulnerabilities that allow unauthorized access to kernel memory, including leaking kernel memory and writing to arbitrary kernel addresses. These vulnerabilities can be exploited through specific control codes, such as IOCTL_SCSI_PASS_THROUGH_DIRECT. They enable users to read and write physical memory from user mode via the DMA capability of the device. Exploiting these flaws can lead to significant Windows kernel memory exploration and manipulation.

zwclose.github.io · 17 min

TLDR InfoSec

HTTP SECURITY HEADERS: A COMPLETE GUIDE TO HTTP HEADERS

This post defines all the security headers that are essential for protecting web applications from various vulnerabilities, such as Cross-Site Scripting (XSS) attacks. These headers provide critical security measures like controlling cross-origin resource sharing and preventing unauthorized sharing of browsing contexts. Websites can enhance security and ensure a safe browsing experience for users by implementing and configuring these headers properly.

darkrelay.com · 20 min

TLDR InfoSec

EXPLOITING A BLIND FORMAT STRING VULNERABILITY IN MODERN BINARIES: A CASE STUDY FROM PWN2OWN IRELAND 2024

This post explains how an exploit was developed to gain write access to the stack by manipulating a looping pointer and creating a double stack pointer. The exploit involved constructing a Return-Oriented Programming (ROP) chain within the stack frame of a vulnerable function using format string techniques. The final steps of the exploit involved adjusting the stack pointer to execute the prepared ROP chain, ultimately leading to the successful exploitation of the blind format string vulnerability.

synacktiv.com · 10 min

TLDR InfoSec

A LOOK AT THE LATEST POST-QUANTUM SIGNATURE STANDARDIZATION CANDIDATES

This post provides a detailed look into fourteen post-quantum signature schemes. ML-DSA, SLH-DSA, and Falcon are notable standards for the second round of "signatures on ramp competition" operated by NIST. Falcon faces challenges due to its complex signing process, while HAWK shows promise for faster and simpler signatures. The aim is to improve post-quantum signature schemes for better performance in TLS connections.

blog.cloudflare.com · 18 min

TLDR IndexPage 5