HTTP3ONSTEROIDS

目录 漏洞描述 源码审查 实验环境搭建 识别问题 参考 漏洞描述 HAProxy 的 HTTP/3 实现未能阻止格式错误的 HTTP 头部字段名 ，并且当部署在错误处理此格式错误头部的前端服务器之前时 ，可能被用于发起 HTTP 请求/响应走私攻击。远程攻击者可能篡改合法用户的请求。因此，攻击者可能获取敏感信息或造成拒绝服务 DoS 状况。 https://jvn.jp/en/jp/JVN38170084/ 源码审查 在开始任何 CVE 研究之前，一个非常好的方法是先阅读漏洞描述，然后检查补丁提交是否可用。 就我而言，补丁提交是可用的，很明显 HAProxy 的开发人员在 HTTP3 实...

CVE-2021-31166

CVE-2021-31166 왜 최근에 CVE-2021-31166에 대한 익스플로잇을 작성했습니다. 이 익스플로잇은 CVE-2021-31166을 악용합니다. 펜테스터는 https://github.com/mauricelambert/CVE-2021-31166 을 사용해야 하지만, SOC 팀에서는 취약점을 제대로 수정하기 위해 특정 취약점을 알아야 합니다. 그래서 이 익스플로잇을 작성했습니다. 설명 취약한 IIS 웹 서버를 공격하기 위해 순수 파이썬, 파워셸, 루비 스크립트와 메타스플로잇, nmap 모듈을 제공합니다 서버를 다운시키기...

CVE-2020-25613

Preuve de concept root@kitploit: POST / HTTP/1.1 Host: 127.0.0.1:1080 Content-Type: text/html Content-Length: 129 Connection: keep-alive Transfer-Encoding: 0xb chunked 1 A 0 POST /flag HTTP/1.1 Host: 127.0.0.1:1080 Content-Length: 180 Connection: keep-alive Content-Type: text/html URI:...

CVE-2020-35669

CVE-2020-35669 خادم تجريبي يرجى تشغيل الخادم التجريبي باستخدام الطرفية الأولى root@kitploit: sudo nc -l 127.0.0.1 80 طبق الـ diff المعطى root@kitploit: diff --git a/main.dart b/main.dart index 8c78291..a46f4d0 100644 --- a/main.dart +++ b/main.dart @@ -4,7 +4,7 @@ import...

tar: Node-tar: Denial of Service via malformed tar archive header

A flaw was found in node-tar, a tar archive manipulation library for Node.js. A remote attacker could exploit this vulnerability by providing a specially crafted tar archive with a negative entry size in its header. This malformed header causes the archive scanner to enter an infinite loop,...

CVE-2026-73418

NextAuth.js vulnerability CVE-2026-73418: The getToken() helper in next-auth/jwt and @auth/core/jwt can throw an uncaught exception when parsing a malformed Authorization: Bearer header, leading to a per-request denial of service. This occurs when no session cookie is present and the bearer value...

tar: Node-tar: Denial of Service via malformed tar archive header

A flaw was found in node-tar, a tar archive manipulation library for Node.js. A remote attacker could exploit this vulnerability by providing a specially crafted tar archive with a negative entry size in its header. This malformed header causes the archive scanner to enter an infinite loop,...

RLSA-2026:48033 Important: nodejs22 security update

Node.js is a platform built on Chrome's JavaScript runtime \ for easily building fast, scalable network applications. \ Node.js uses an event-driven, non-blocking I/O model that \ makes it lightweight and efficient, perfect for data-intensive \ real-time applications that run across distributed...

RockyLinux 10 : nodejs24 (RLSA-2026:48034)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:48034 advisory. brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity CVE-2026-13149 tar: Node-tar: Denial of Service via malformed ta...

tar: Node-tar: Denial of Service via malformed tar archive header

A flaw was found in node-tar, a tar archive manipulation library for Node.js. A remote attacker could exploit this vulnerability by providing a specially crafted tar archive with a negative entry size in its header. This malformed header causes the archive scanner to enter an infinite loop,...

RLSA-2026:47059 Important: nodejs:22 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity CVE-2026-13149 tar: Node-tar: Denial of Service via malform...

tar: Node-tar: Denial of Service via malformed tar archive header

A flaw was found in node-tar, a tar archive manipulation library for Node.js. A remote attacker could exploit this vulnerability by providing a specially crafted tar archive with a negative entry size in its header. This malformed header causes the archive scanner to enter an infinite loop,...

Important: nodejs:22 security update

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fixes: brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity CVE-2026-13149 tar: Node-tar: Denial of Service via malform...

OpenTelemetry JavaScript: Denial of service in `JaegerPropagator` via unhandled exception on a malformed header

Summary @opentelemetry/propagator-jaeger decodes incoming HTTP header values with decodeURIComponent without handling decode errors. A single request carrying a malformed percent-encoded value for example a bare % in an uber-trace-id or uberctx- header throws an uncaught URIError, terminating any...

GHSA-45RX-2JWX-CXFR OpenTelemetry JavaScript: Denial of service in `JaegerPropagator` via unhandled exception on a malformed header

Summary @opentelemetry/propagator-jaeger decodes incoming HTTP header values with decodeURIComponent without handling decode errors. A single request carrying a malformed percent-encoded value for example a bare % in an uber-trace-id or uberctx- header throws an uncaught URIError, terminating any...

SUSE CVE-2026-64114

In the Linux kernel, the following vulnerability has been resolved: ipv4: raw: reject IPHDRINCL packets with ihl ihl 4; err = -EINVAL; if iphlen length goto errorfree; if iphlen = sizeofiph / fix up saddr, totlen, id, csum, transportheader / It does not, however, reject ihl = sizeofiph" branch is...

PT-2026-63317

Impact If this library is used to implement a WebSocket server on top of a TCP server, by using the WebSocket::Driver.server method, then a client can cause the server to crash by sending a Host header that is not a valid host:port string. When this happens, a URI::InvalidURIError exception is...

CVE-2026-63734

SurrealDB prior to 3.2.0 is affected by a denial-of-service vulnerability in the SurrealML header parser. Authenticated Owner‑role users can crash the server by uploading a malformed .surml file to the /ml/import endpoint. Malformed header fields (e.g., non-numeric input-dimensions) trigger unche...

netty-codec-haproxy: Netty-codec-haproxy: Denial of Service via malformed HAProxy message

A flaw was found in netty-codec-haproxy, a component of the Netty network application framework. A remote attacker can exploit this vulnerability by sending a specially crafted HAProxy message with a malformed PP2TYPESSL TLV Type-Length-Value header. This can lead to an IndexOutOfBoundsException...

CVE-2026-64114

CVE-2026-64114 affects the Linux kernel’s IPv4 raw path. In raw_send_hdrinc(), the code validates that the caller-supplied IPv4 header fits the message length, but it does not reject headers with ihl < 5 per RFC 791. As a result, locally constructed packets with an invalid Internet Header Leng...