Nextcloud: SMTP Command Injection in Appointment Emails via Newlines

Summary: Users can create appointment calendars for other users to book slots on their calendar. When booking a slot, the following request is made: POST /apps/calendar/appointment/1/book HTTP/2 Host: 192.168.92.132 "start":1647306900,"end":"1647307200","displayName":"Test...

Apache HTTP Server 安全漏洞

Apache HTTP Server is an open source web server from the Apache Foundation. The server is fast, reliable, and extensible via a simple API.A denial-of-service vulnerability exists in Apache HTTP Server, which results from a crash caused by a NULL pointer dereference. An attacker could exploit this...

Path traversal

Envoy is a cloud-native edge/middle/service proxy. Envoy does not decode escaped slash sequences %2F and %5C in HTTP URL paths in versions 1.18.2 and before. A remote attacker may craft a path with escaped slashes, e.g. /something%2F..%2Fadmin, to bypass access control, e.g. a block on /admin. A...

GHSA-C4QR-GMR9-V23W Prefix escape

Impact By crafting a specific URL, it is possible to escape the prefix of the proxied backend service. If the base url of the proxied server is /pub/, a user expect that accessing /priv on the target service would not be possible. Unfortunately, it is. CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N...

CVE-2021-23835

CVE-2021-23835 affects flatCore prior to 2.0.0 build 139. The issue is a local file disclosure in the docs_file HTTP request body parameter of the acp interface, which accepts malicious user input and can reveal sensitive backend files (e.g., /etc/passwd, SQLite DBs, PHP source) when an attacker ...

Acronis: SSRF when configuring Website Backup on Acronis Cloud

Hi, I hope everything goes well. I have found a SSRF in https://mc-beta-cloud.acronis.com/ui//backup-console/resources when configuring the backup plan for a website. Summary While I was looking at the functionality of managing backups on websites, I saw that if you specify a local IP where to ge...

F5 Networks BIG-IP : BIG-IP ASM vulnerability (K58102101)

When the BIG-IP ASM system processes requests with JSON payload, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process. CVE-2020-27718 Impact When this vulnerability is exploited, the BIG-IP ASM system may take longer than usual to process these...

Damn-Vulnerable-Bank - Vulnerable Banking Application For Android

Damn Vulnerable Bank Android Application aims to provide an interface for everyone to get a detailed understanding with internals and security aspects of android application. How to Use Application Clone the repository and run the Backend Server as per instructions in the link. We have released t...

CVE-2020-7577: Improper Neutralization of Special Elements used in an SQL Command

A vulnerability has been identified in Camstar Enterprise Platform All versions, Opcenter Execution Core All versions V8.2. Through the use of several vulnerable fields of the application, an authenticated user could perform an SQL Injection attack by passing a modified SQL query downstream to th...

Basecamp: Unauthenticated request smuggling on launchpad.37signals.com

Description By sending an ambiguous request on the rails application on launchpad.37signals.com, an attacker can desynchronise frontend and backend servers, leaving the socket to the backend server poisoned with a harmful response. This response will then be served up to the next visitor. The...

Design/Logic Flaw

On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, in BIG-IP APM portal access, a specially crafted HTTP request can lead to reflected XSS after the BIG-IP APM system rewrites the HTTP response from the untrusted backend server and sends it to the client...

CVE-2020-5889

On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, in BIG-IP APM portal access, a specially crafted HTTP request can lead to reflected XSS after the BIG-IP APM system rewrites the HTTP response from the untrusted backend server and sends it to the client...

F5 Networks BIG-IP : BIG-IP APM portal access reflected XSS vulnerability (K24415506)

The version of F5 Networks BIG-IP installed on the remote host is prior to 14.1.2.4 / 15.0.1.3 / 15.1.0.2. It is, therefore, affected by a vulnerability as referenced in the K24415506 advisory. - On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, in BIG-IP APM portal access, a...

HTTP Request Smuggling: LF vs CRLF handling in Waitress

Impact Waitress implemented a "MAY" part of the RFC7230 https://tools.ietf.org/html/rfc7230section-3.5 which states: Although the line terminator for the start-line and header fields is the sequence CRLF, a recipient MAY recognize a single LF as a line terminator and ignore any preceding CR...

PT-2019-15385

Name of the Vulnerable Software and Affected Versions Symantec Messaging Gateway versions prior to 10.7.3 Description The issue is related to a server-side request forgery SSRF exploit. This type of issue can allow an attacker to send crafted requests from the backend server of a vulnerable web...

Design/Logic Flaw

An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. It has a statically coded initialization vector. Extraction of the initialization vector is necessary for deciphering communications between this application and the backend server. This, in...

Design/Logic Flaw

An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. It has a statically coded encryption key. Extraction of the encryption key is necessary for deciphering communications between this application and the backend server. This, in combination with...

CVE-2018-18979

An issue was discovered in the Ascensia Contour NEXT ONE application for Android before 2019-01-15. It has a statically coded initialization vector. Extraction of the initialization vector is necessary for deciphering communications between this application and the backend server. This, in...

CVE-2019-9901

Envoy 1.9.0 and before does not normalize HTTP URL paths. A remote attacker may craft a relative path, e.g., something/../admin, to bypass access control, e.g., a block on /admin. A backend server could then interpret the non-normalized path and provide an attacker access beyond the scope provide...

50m-ctf: $50 million CTF Writeup

Summary: For a brief overview of the challenge you can take a look at the following image: F451370 Below I will detail each step that I took to solve the CTF, moreover all the bad assumptions that led me to a dead end in some cases. Twitter The CTF begins with this tweet: F451371 What is this...