CVE-2023-1206-CVE-2025-40040-CVE-2024-49882

组合隐蔽信道：CVE-2023-1206 + CVE-2024-49882 概述 本项目演示了利用两个Linux内核漏洞构建的隐蔽通信信道： 组件| CVE| 目的 ---|---|--- 同步信道| CVE-2023-1206| 通过IPv6哈希碰撞时序实现时钟同步 数据信道| CVE-2024-49882| 通过大页泄漏实现跨容器数据传输 root@kitploit: ┌─────────────────────────────────────────────────────────────────────┐ │ 非加密隐蔽信道 │...

hashes

Hashes mágicos – «colisiones» de hash en PHP Regístrate con contraseña 1 y luego inicia sesión con contraseña 2. Si consigues entrar, entonces el almacenamiento usa el algoritmo especificado para aplicar hash a la contraseña y PHP usa == para compararlas para MD5, SHA-1 y texto plano. MD5, SHA-1,...

CVE-2026-21717

CVE-2026-21717 Vulnerabilidad de colisión predecible en el hash de cadenas de V8 en Node.js que provoca denegación de servicio Resumen Una vulnerabilidad crítica en el mecanismo de hash de cadenas de V8 permite a los atacantes causar una degradación severa del rendimiento en aplicaciones Node.js...

cve-2022-22976-bcrypt-skips-salt

BCrypt 哈希检查 为协助缓解 CVE-2022-xxxx 的修复步骤，您可以使用此工具检查数据库中需要更新的哈希。 在您将应用程序 与数据库集成 后，该工具分两步工作。 为了演示，这里使用了一个内存中的示例应用程序。 在该示例应用程序上，您可以像这样运行 check 步骤： root@kitploit: ./mvnw spring-boot:run@check 这将检查示例数据库中任何需要更新的 BCrypt 哈希。 然后，您可以像这样运行 update 步骤： root@kitploit: ./mvnw spring-boot:run@update...

Astra Linux – Vulnerability in jq

jq is a command-line JSON processor. Before commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784, jq used MurmurHash3 with a hardcoded, publicly visible seed 0x432A9843 for all JSON object hash table operations. This allowed attackers to precompute key collisions offline. By providing a crafted JSON...

collisions

TL;DR conseguir una colisión MD5 de estas dos imágenes ahora es trivial e instantáneo. ⟷ No juegues con fuego, no confíes en MD5. Colisionar cualquier par de archivos ha sido posible durante muchos años, pero lleva varias horas cada vez, sin atajos. Esta página proporciona trucos específicos para...

jetty-security: Eclipse Jetty: Authentication bypass via Digest authentication encoding collision

A flaw was found in Eclipse Jetty, a widely used web server and servlet container. This vulnerability affects its HTTP Digest authentication mechanism, which is used to verify user identities. The issue arises because Jetty's hash computation for passwords does not correctly handle certain...

jetty-security: Eclipse Jetty: Authentication bypass via Digest authentication encoding collision

A flaw was found in Eclipse Jetty, a widely used web server and servlet container. This vulnerability affects its HTTP Digest authentication mechanism, which is used to verify user identities. The issue arises because Jetty's hash computation for passwords does not correctly handle certain...

CVE-2026-40017

A flaw was found in Dovecot. A remote attacker who can send mail to a user can craft a message header designed to cause collisions in an internal hash table. This manipulation forces the IMAP THREAD command to consume excessive CPU resources, leading to degradation or a complete denial of service...

Linux Distros Unpatched Vulnerability : CVE-2026-40017

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD...

CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

AZL-98286 CVE-2026-40017 affecting package dovecot 2.3.20-1

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

CVE-2026-40017

Dovecot (per Open-Xchange advisory) is vulnerable to a hash-table collision in the IMAP THREAD command: an attacker who can send mail to a user can craft message header values that collide in an internal hash table, causing the THREAD command to consume CPU disproportionate to message size , lead...

CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

EUVD-2026-67666

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

UBUNTU-CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

PT-2026-83059

Name of the Vulnerable Software and Affected Versions dovecot versions prior to 2.4.5-1.1 Description An attacker can send a crafted email with message header values designed to collide in an internal hash table. This causes the IMAP THREAD command to consume CPU resources disproportionate to the...

CVE-2026-40017

An attacker that can send mail to a user can craft a message header whose values are chosen to collide in an internal hash table, which makes the IMAP THREAD command consume CPU disproportionate to the size of the message. This is a separate issue from CVE-2026-40014 and is not addressed by that...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

A hash collision flaw was discovered in the IPv6 connection lookup table within the Linux kernel’s IPv6 functionality. This flaw occurs when a user carries out a new type of SYN flood attack. A user located within the local network or with a high-bandwidth connection can cause the CPU usage of th...