ctf-cve-2019-11043

任务管理应用（CVE-2019-11043 实验环境） 一个极简的PHP应用，带有故意易受攻击的Nginx/PHP-FPM配置，用于复现CVE-2019-11043。包含一个小型任务管理器、登录/管理员功能和数据库配置界面。 构建与运行（Docker） root@kitploit: build docker build -t cve-2019-11043-lab:app . run docker run --rm -p 8080:80 cve-2019-11043-lab:app open open http://localhost:8080/ 漏洞利用快速开始 使用...

CVE-2019-11043

PoC CVE-2019-11043 CVE-2019-11043として記録されているこのエクスプロイトは、PHP-FPMの実装におけるバグをNGINXサーバーと組み合わせて悪用します。特定の構成では、FastCGI pathinfo 内の正規表現により、FPMモジュールが割り当て済みバッファを越えて、FastCGIプロトコルデータ用に予約された領域に書き込んでしまいます。その結果、Webユーザーがリモートでコードを実行できる可能性があります。次の表は、Common Vulnerability Scoring System（CVSS）によるエクスプロイトの深刻度評価を示しています。...

CVE-2019-11043

CVE-2019-11043 PHP-FPM 远程代码执行 演示视频: https://youtu.be/d6benC5FVZM 概述 该针对常见 PHP-FPM 配置的零日漏洞是在 2019 年 Realworld CTF 比赛中发现的。正则表达式用于解析请求的 URI，但换行符 %0a 并不被匹配。这会触发 FastCGI 中的一个错误，导致查询字符串长度计算错误，并在预期缓冲区 之前 的位置写入一个空字节。通过精心选择查询字符串长度，攻击者可以利用此漏洞覆盖服务器上的内部 PHP 变量，并执行任意 shell 代码。 该漏洞的原始 Go...

CVE-2019-11043

PoC CVE-2019-11043 CVE-2019-11043 エクスプロイトの Python 版 https://github.com/neex/phuip-fpizdam この PoC はまだドラフトです。@neex が作成したエクスプロイトを使用してください。 脆弱性分析: https://paper.seebug.org/1064/ PoC のセットアップ nginx と php-fpm を起動するには、docker compose を実行するだけです: root@kitploit: docker-compose up -d Creating network...

CVE-2019-11043

CVE-2019-11043 0th3rs セキュリティチーム ====================== PHP バージョン 7.1.x で 7.1.33 未満、7.2.x で 7.2.24 未満、7.3.x で 7.3.11 未満 PHP 7.2.20/7.3.10 でテスト済み 手順 root@kitploit: 1、比較的安定しており、queryの長さとHeaderヘッダーフィールドの長さをブルートフォースで特定するだけでよい。 2、autosession で脆弱性の存在を検出する 3、対象のワーカープロセス数を判断して堅牢性を実現する 4、全ワーカープロセスを汚染する Ngi...

Astra Linux – Vulnerability in HAPProxy

A vulnerability related to information leaks was discovered in HAProxy versions 2.1, 2.2 before 2.2.27, 2.3, and 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, and 2.7 before 2.7.1. There are 5 bytes that are not initialized in the connection buffer when encoding the FCGIBEGINREQUEST...

MiracleLinux 9 : haproxy-2.8.14-3.el9_8.2 (AXSA:2026-1627:03)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-1627:03 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow i...

CVE-2026-45135

A flaw was found in Caddy. This vulnerability stems from unsafe handling of Unicode characters within the FastCGI component, specifically when processing request paths containing non-ASCII bytes. An attacker capable of placing content into files served via FastCGI can exploit this by crafting a...

haproxy security update

An update is available for haproxy. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The haproxy packages provide a reliable, high-performance network load...

RLSA-2026:55679 Important: haproxy security update

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in FastCGI record...

haproxy security update

An update is available for haproxy. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The haproxy packages provide a reliable, high-performance network load balanc...

RLSA-2026:55772 Important: haproxy security update

The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in FastCGI record...

RockyLinux 10 : haproxy (RLSA-2026:55679)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:55679 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in...

RHEL 9 : haproxy (RHSA-2026:55772)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:55772 advisory. The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes: haprox...

RHEL 10 : haproxy (RHSA-2026:55679)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:55679 advisory. The haproxy packages provide a reliable, high-performance network load balancer for TCP and HTTP-based applications. Security Fixes:...

AlmaLinux 10 : haproxy (ALSA-2026:55679)

The remote AlmaLinux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:55679 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in...

AlmaLinux 9 : haproxy (ALSA-2026:55772)

The remote AlmaLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:55772 advisory. haproxy: HAProxy: Denial of Service via HPACK dynamic table insertions CVE-2026-55204 haproxy: HAProxy: Response smuggling due to integer overflow in...

haproxy: HAProxy: Response smuggling due to integer overflow in FastCGI record length handling

A flaw was found in HAProxy. A malicious FastCGI Fast Common Gateway Interface backend can exploit an integer overflow vulnerability in the fcgiconn structure's drl field. This occurs when specific contentLength and paddingLength values cause the drl field to wrap to zero, leading to incorrect...

Important: Red Hat Security Advisory: haproxy security update

An update for haproxy is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

haproxy: HAProxy: Response smuggling due to integer overflow in FastCGI record length handling

A flaw was found in HAProxy. A malicious FastCGI Fast Common Gateway Interface backend can exploit an integer overflow vulnerability in the fcgiconn structure's drl field. This occurs when specific contentLength and paddingLength values cause the drl field to wrap to zero, leading to incorrect...