1138 matches found
Security update for openvpn (important)
This update for openvpn fixes the following issues: - Some parts of the certificate-parsing code did not always clear all allocated memory. This would have allowed clients to leak a few bytes of memory for each connection attempt, thereby facilitating a quite inefficient DoS attack on the server...
openSUSE: Security Advisory for openvpn (openSUSE-SU-2017:1680-1)
The remote host is missing an update for the Copyright C 2017 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...
Ubuntu 14.04 LTS / 16.04 LTS : OpenVPN vulnerabilities (USN-3339-1)
The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3339-1 advisory. Karthikeyan Bhargavan and Gatan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could...
Debian DLA-999-1 : openvpn security update
It was discovered that there were multiple out-of-bounds memory read vulnerabilities in openvpn, a popular virtual private network VPN daemon. If clients used a HTTP proxy with NTLM authentication, a man-in-the-middle attacker could cause the client to crash or disclose at most 96 bytes of stack...
USN-3339-1: OpenVPN vulnerabilities
Karthikeyan Bhargavan and Gaëtan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could possibly use this issue to recover cleartext data. Fixing this issue requires a configuration change to switch to a different cipher. This update adds a warni...
USN-3339-1 openvpn vulnerabilities
Karthikeyan Bhargavan and Gaëtan Leurent discovered that 64-bit block ciphers are vulnerable to a birthday attack. A remote attacker could possibly use this issue to recover cleartext data. Fixing this issue requires a configuration change to switch to a different cipher. This update adds a warni...
Behind the CARBANAK Backdoor
In this blog, we will take a closer look at the powerful, versatile backdoor known as CARBANAK aka Anunak. Specifically, we will focus on the operational details of its use over the past few years, including its configuration, the minor variations observed from sample to sample, and its evolution...
Behind the CARBANAK Backdoor
In this blog, we will take a closer look at the powerful, versatile backdoor known as CARBANAK aka Anunak. Specifically, we will focus on the operational details of its use over the past few years, including its configuration, the minor variations observed from sample to sample, and its evolution...
Run HTTP Flood DDoS Attacks: Wreckuests
Stress Testing: Run HTTP Flood DDoS Attacks Wreckuests is a script, which allows you to run DDoS attacks with HTTP-floodGET/POST. It’s written in pure Python and uses proxy-servers as “bots”. This script is published for educational purposes only! Features Cache bypass with random ?abcd=efg...
Phishing Kit Hunter
Phishing Kit Hunter PhishingKitHunter or PKHunter is a tool made for identifying phishing kits URLs used in phishing campaigns targeting your customers and using some of your own website files as CSS, JS, …. This tool – write in Python 3 – is based on the analysis of referer’s URL which GET...
A Red Teamer’s guide to pivoting
A Red Teamer’s guide to pivoting A Red Teamer's guide to pivoting Penetration testers often traverse logical network boundaries in order to gain access to client’s critical infrastracture. Common scenarios include developing the attack into the internal network after successful perimeter breach o...
filtron - Filtering reverse HTTP proxy
Reverse HTTP proxy to filter requests by different rules. Can be used between production webserver and the application server to prevent abuse of the application backend. The original purpose of this program was to defend searx , but it can be used to guard any web application. Installation and...
Insufficient Error Handling
Overview Affected versions of http-proxy are vulnerable to a denial of service attack, wherein an attacker can force an error which will cause the server to crash. Recommendation Update to version 0.7.0 or later. References - PR 101 - GitHub Advisory...
dirsearch - Brute Force Directories and Files in Websites
dirsearch is a simple command line tool designed to brute force directories and files in websites. Operating Systems supported Windows XP/7/8/10 GNU/Linux MacOSX Features Multithreaded Keep alive connections Support for multiple extensions -e|--extensions asp,php Reporting plain text, JSON...
Amazon Linux AMI : java-1.6.0-openjdk (ALAS-2017-795)
It was discovered that the Hotspot component of OpenJDK did not properly check arguments of the System.arraycopy function in certain cases. An untrusted Java application or applet could use this flaw to corrupt virtual machine's memory and completely bypass Java sandbox restrictions. CVE-2016-558...
Greenhouse.io: Open Redirect in <customer>.greenhouse.io
Open Redirect in scout24.greenhouse.io The Scout24 Security Team did a penetration test against scout24.greenhouse.io in order to verify how Scout24 relevant data is protected against common attack vectors. Basically we have tested the web application against OWASP Top 10 using industry common...
Important: java-1.6.0-openjdk
Issue Overview: It was discovered that the Hotspot component of OpenJDK did not properly check arguments of the System.arraycopy function in certain cases. An untrusted Java application or applet could use this flaw to corrupt virtual machine's memory and completely bypass Java sandbox...
Information disclosure
Incorrect processing of responses to If-None-Modified HTTP conditional requests in Squid HTTP Proxy 3.1.10 through 3.1.23, 3.2.0.3 through 3.5.22, and 4.0.1 through 4.0.16 leads to client-specific Cookie data being leaked to other clients. Attack requests can easily be crafted by a client to prob...
Design/Logic Flaw
Incorrect HTTP Request header comparison in Squid HTTP Proxy 3.5.0.1 through 3.5.22, and 4.0.1 through 4.0.16 results in Collapsed Forwarding feature mistakenly identifying some private responses as being suitable for delivery to multiple clients...
CVE-2016-10003
Incorrect HTTP Request header comparison in Squid HTTP Proxy 3.5.0.1 through 3.5.22, and 4.0.1 through 4.0.16 results in Collapsed Forwarding feature mistakenly identifying some private responses as being suitable for delivery to multiple clients...