CVE-2024-49214

A flaw was found in HAProxy's QUIC listener. This vulnerability can allow an attacker to bypass the IP allow/block list via a spoofed IP address in a 0-RTT session. The attacker could exploit this by obtaining a TLS session ticket using their real IP, then initiating a 0-RTT session with a spoofe...

CVE-2024-45403 H2O assertion failure when HTTP/3 requests are cancelled

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy and HTTP/3 requests are cancelled by the client, h2o might crash due to an assertion failure. The crash can be exploited by an attacker to mount a Denial-of-Service attack. By default, th...

CVE-2024-45403 H2O assertion failure when HTTP/3 requests are cancelled

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy and HTTP/3 requests are cancelled by the client, h2o might crash due to an assertion failure. The crash can be exploited by an attacker to mount a Denial-of-Service attack. By default, th...

CVE-2024-45403

CVE-2024-45403 affects the H2O HTTP server when configured as a reverse proxy. The issue is an assertion failure caused by cancelled HTTP/3 requests, enabling a denial-of-service attack. By default, the standalone H2O server restarts automatically, which mitigates impact, but concurrent requests ...

CVE-2024-45403

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy and HTTP/3 requests are cancelled by the client, h2o might crash due to an assertion failure. The crash can be exploited by an attacker to mount a Denial-of-Service attack. By default, th...

CVE-2024-45403 H2O assertion failure when HTTP/3 requests are cancelled

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy and HTTP/3 requests are cancelled by the client, h2o might crash due to an assertion failure. The crash can be exploited by an attacker to mount a Denial-of-Service attack. By default, th...

CVE-2024-45397 H2O alllows bypassing address-based access control with 0-RTT

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When an HTTP request using TLS/1.3 early data on top of TCP Fast Open or QUIC 0-RTT packets is received and the IP-address-based access control is used, the access control does not detect and prohibit HTTP requests conveyed by...

CVE-2024-25622 H2O ignores headers configuration directives

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The configuration directives provided by the headers handler allows users to modify the response headers being sent by h2o. The configuration file of h2o has scopes, and the inner scopes e.g., path level are expected to inherit t...

CVE-2024-25622 H2O ignores headers configuration directives

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. The configuration directives provided by the headers handler allows users to modify the response headers being sent by h2o. The configuration file of h2o has scopes, and the inner scopes e.g., path level are expected to inherit t...

CVE-2024-45403: Reachable Assertion

h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy and HTTP/3 requests are cancelled by the client, h2o might crash due to an assertion failure. The crash can be exploited by an attacker to mount a Denial-of-Service attack. By default, th...

ALSA-2024:7869 Important: .NET 8.0 security update

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.110 and .NET Runtime 8.0.10...

Important: .NET 8.0 security update

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation. New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.110 and .NET Runtime 8.0.10...

GHSA-7VW9-CFWX-9GX9 Microsoft Security Advisory CVE-2024-38229 | .NET Remote Code Execution Vulnerability

Microsoft Security Advisory CVE-2024-38229 | .NET Remote Code Execution Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0 and .NET 9.0. This advisory also provides guidance on what developers can do to update the...

Ubuntu 22.04 LTS / 24.04 LTS : .NET vulnerabilities (USN-7058-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7058-1 advisory. Brennan Conroy discovered that the .NET Kestrel web server did not properly handle closing HTTP/3 streams under certain circumstances. An...

Nginx 1.25.x < 1.26.1 Multiple Vulnerabilities

According to its Server response header, the installed version of nginx is 1.25.x prior to 1.26.1. It is, therefore, affected by four security issues were identified in nginx HTTP/3 implementation, which might allow an attacker that uses a specially crafted QUIC session to cause a worker process...

ROS-20240725-01

Vulnerability of HTTP/3 QUIC module ngxhttpv3module of NGINX Plus and NGINX OSS web servers is related to null pointer dereferencing. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service. remotely to cause a denial of service using specially craft...

Internet Bug Bounty: CVE-2024-3416: MTU of 4096 or greater without fragmentation may cause NGINX worker processes to leak previously freed memory

A vulnerability was discovered in NGINX Plus or NGINX OSS when configured to use the HTTP/3 QUIC module. If the network infrastructure supported a Maximum Transmission Unit MTU of 4096 or greater without fragmentation, undisclosed QUIC packets could cause NGINX worker processes to leak previously...

Remote Code Execution (RCE)

.NET is vulnerable to Remote Code Execution RCE. The vulnerability is due to data corruption in Kestrel HTTP/3 server, which can result in remote code execution. An attacker can exploit this to execute arbitrary code on the affected system...

Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability

Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0. This advisory also provides guidance on what developers can do to update their applicatio...

GHSA-CHFC-9W6M-75RF Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability

Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0. This advisory also provides guidance on what developers can do to update their applicatio...