This Week in Spring - February 6th

Hi, Spring fans! Welcome to another installment of the rip-roarin' adventure that is This Week in Spring! We've got a lot to look at, as usual, so let's dive right into it! in last week's installment of A Bootiful Podcast, I talked to Gunnar Morling, who created the 1BRC 1 Billion Row Challenge...

A Deepfake Scammed a Bank out of $25M — Now What?

A finance worker in Hong Kong was tricked by a deepfake video conference. The future of defending against deepfakes is as much as human challenge as a technological one...

Exploit for Out-of-bounds Write in Polkit_Project Polkit

CVE-2021-4034-CTF-writeup This is a CTF pwn challenge that I w...

Exploit for Out-of-bounds Write in Polkit_Project Polkit

CVE-2021-4034-CTF-writeup This is a CTF pwn challenge that I w...

A Bootiful Podcast: Gunnar Morling on the 1BRC challenge and taking Java to BLAZING fast performance territory

Hi, Spring fans! In this installment, I talk to fellow Java Champion Gunnar Morling, and we look at how his 1BRC challenge helped the community eek out some of Java's best performance numbers...

Proxmox VE - TOTP Brute Force

Exploit Title: Proxmox VE TOTP Brute Force Date: 09/23/2023 Exploit Author: Cory Cline, Gabe Rust Vendor Homepage: https://www.proxmox.com/en/ Software Link: http://download.proxmox.com/iso/ Version: 5.4 - 7.4-1 Tested on: Debian CVE : CVE-2023-43320 import time import requests import urllib.pars...

CVE-2024-23647 PKCE downgrade attack in Authentik

Authentik is an open-source Identity Provider. There is a bug in our implementation of PKCE that allows an attacker to circumvent the protection that PKCE offers. PKCE adds the codechallenge parameter to the authorization request and adds the codeverifier parameter to the token request. Prior to...

CVE-2024-23647 PKCE downgrade attack in Authentik

Authentik is an open-source Identity Provider. There is a bug in our implementation of PKCE that allows an attacker to circumvent the protection that PKCE offers. PKCE adds the codechallenge parameter to the authorization request and adds the codeverifier parameter to the token request. Prior to...

This Week in Spring - January 23rd, 2024

Hi, Spring fans, and greetings from CERN, home of the famous Large Hadron Collider, where I'm speaking again at the VOXXED Days CERN 2017 event. It's been an amazing almost week here in lovely Switzerland, first in Lugano for VOXXED Days Ticino, and now in Geneva. I'm super excited to be here, bu...

AZL-33285 CVE-2023-49295 affecting package coredns for versions less than 1.11.1-5

quic-go is an implementation of the QUIC protocol RFC 9000, RFC 9001, RFC 9002 in Go. An attacker can cause its peer to run out of memory sending a large number of PATHCHALLENGE frames. The receiver is supposed to respond to each PATHCHALLENGE frame with a PATHRESPONSE frame. The attacker can...

DEBIAN-CVE-2023-49295

quic-go is an implementation of the QUIC protocol RFC 9000, RFC 9001, RFC 9002 in Go. An attacker can cause its peer to run out of memory sending a large number of PATHCHALLENGE frames. The receiver is supposed to respond to each PATHCHALLENGE frame with a PATHRESPONSE frame. The attacker can...

AZL-34627 CVE-2023-49295 affecting package coredns for versions less than 1.11.1-2

quic-go is an implementation of the QUIC protocol RFC 9000, RFC 9001, RFC 9002 in Go. An attacker can cause its peer to run out of memory sending a large number of PATHCHALLENGE frames. The receiver is supposed to respond to each PATHCHALLENGE frame with a PATHRESPONSE frame. The attacker can...

Design/Logic Flaw

quic-go is an implementation of the QUIC protocol RFC 9000, RFC 9001, RFC 9002 in Go. An attacker can cause its peer to run out of memory sending a large number of PATHCHALLENGE frames. The receiver is supposed to respond to each PATHCHALLENGE frame with a PATHRESPONSE frame. The attacker can...

UBUNTU-CVE-2023-49295

quic-go is an implementation of the QUIC protocol RFC 9000, RFC 9001, RFC 9002 in Go. An attacker can cause its peer to run out of memory sending a large number of PATHCHALLENGE frames. The receiver is supposed to respond to each PATHCHALLENGE frame with a PATHRESPONSE frame. The attacker can...

PT-2024-13721

Name of the Vulnerable Software and Affected Versions quic-go versions prior to 0.37.7 quic-go versions prior to 0.38.2 quic-go versions prior to 0.39.4 Description An attacker can cause its peer to run out of memory by sending a large number of PATH CHALLENGE frames. The receiver is supposed to...

Quic-go Resource Management Error Vulnerability

quic-go is an implementation of the QUIC protocol, RFC 9000, in Go by Lucas Clemente, a private developer. A resource management error vulnerability exists in quic-go, which stems from a potential denial of service when subjected to too many PATHCHALLENGE frames...

GHSA-97X9-59RV-Q5PM Hyperledger Aries Cloud Agent Python result of presentation verification not checked for LDP-VC

Impact When verifying W3C Format Verifiable Credentials using JSON-LD with Linked Data Proofs LDP-VCs, the result of verifying the presentation document.proof was not factored into the final verified value true/false on the presentation record. Below is an example result from verifying a JSON-LD...

CVE-2023-49944

The Challenge Response feature of BeyondTrust Privilege Management for Windows PMfW before 2023-07-14 allows local administrators to bypass this feature by decrypting the shared key, or by locating the decrypted shared key in process memory. The threat is mitigated by the Agent Protection feature...

CVE-2023-49944

The Challenge Response feature of BeyondTrust Privilege Management for Windows PMfW before 2023-07-14 allows local administrators to bypass this feature by decrypting the shared key, or by locating the decrypted shared key in process memory. The threat is mitigated by the Agent Protection feature...

CVE-2023-49944

The Challenge Response feature of BeyondTrust Privilege Management for Windows PMfW before 2023-07-14 allows local administrators to bypass this feature by decrypting the shared key, or by locating the decrypted shared key in process memory. The threat is mitigated by the Agent Protection feature...