HTTP3ONSTEROIDS

목차 취약점 설명 소스 코드 리뷰 실습 환경 설정 문제 식별 참고 자료 취약점 설명 HAProxy의 HTTP/3 구현이 잘못된 형식의 HTTP 헤더 필드 이름 을 차단하지 못하며, 이 잘못된 형식의 헤더를 잘못 처리하는 서버 앞에 배포될 경우 HTTP 요청/응답 스머글링 공격을 수행하는 데 사용될 수 있습니다. 원격 공격자가 합법적인 사용자의 요청을 변경할 수 있습니다. 그 결과, 공격자는 민감한 정보를 얻거나 서비스 거부DoS 상태를 유발할 수 있습니다. https://jvn.jp/en/jp/JVN38170084/ 소스 코드...

CVE-2021-31166

CVE-2021-31166 作った理由 私は最近、CVE-2021-31166 のエクスプロイトを作成しました。これは CVE-2021-31166 と CVE-2021-31166 を利用します。ペネトレーションテスターは https://github.com/mauricelambert/CVE-2021-31166 を使うべきですが、SOC チームは適切に修正するために特定の脆弱性を把握する必要があるため、このエクスプロイトを作成しました。 説明 脆弱な IIS Web サーバーを攻撃するための、純粋な Python、PowerShell、Ruby...

CVE-2020-25613

POC 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 더미 서버 첫 번째 터미널에서 더미 서버를 실행하세요 root@kitploit: sudo nc -l 127.0.0.1 80 주어진 diff 적용 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 'package:http/src/request.dart'; void main async var r = Request...

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,...

Improper Check for Unusual or Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions via the DeadLetterPublishingRecovererFactory. An attacker can cause repeated failures and stall partition consumption by attaching a malformed retrytopic-original-timestamp header suc...

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...