Top-5 stupid security mistakes in web apps

In this blog entry, I will summarize some commonly overlooked issues which have been affecting many web projects for the last 5 years. All of them are obvious and super predictable and could be used be script kiddies as well as by fully automated scanners and internal security checks. Let’s go! 1...

Gratipay: SSl Weak Ciphers

Summary Websites using TLS 1.0 will be considered non-compliant by PCI after 30 June 2018. Description TLS 1.0 has several flaws. An attacker can cause connection failures and they can trigger the use of TLS 1.0 to exploit vulnerabilities like BEAST Browser Exploit Against SSL/TLS. Steps To...

Anti-DDoS Solution Based on iptables: nShield

Anti-DDoS Solution Based on iptables An Easy and Simple Anti-DDoS solution for VPS, Dedicated Servers and IoT devices based on iptables Requirements Linux System with python, iptables Nginx Will be installed automatically by install.sh Quickstart cd /home/ && git clone...

Weblate: Weblate- Banner Grabbing-Ngnix Server version

Hey, I have found in the HTTP response header from docs.weblate.org, the nginx web server version is disclosed. Ideally application server responds back to users error message in customzied manner by not revealing any sensitive information about webserver or underlying components in applicatio...

Weblate: Option method enabled

Description HTTP OPTIONS method is enabled. Affected URL : https://demo.weblate.org/ https://weblate.org/en/ https://hosted.weblate.org PoC curl -X OPTIONS https://hosted.weblate.org -vv Output aku@galau:$ curl -X OPTIONS https://hosted.weblate.org -vv Rebuilt URL to: https://hosted.weblate.org/...

FreeBSD : LibreSSL -- TLS verification vulnerability (24673ed7-2bf3-11e7-b291-b499baebfeaf)

Jakub Jirutka reports : LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSLgetverifyresult is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx...

Code injection

LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSLgetverifyresult is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx...

CVE-2017-8301

LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSLgetverifyresult is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx...

CVE-2017-8301

LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSLgetverifyresult is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx...

ALPINE-CVE-2017-8301

LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSLgetverifyresult is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx...

CVE-2017-8301

LibreSSL 2.5.1 to 2.5.3 lacks TLS certificate verification if SSLgetverifyresult is relied upon for a later check of a verification result, in a use case where a user-provided verification callback returns 1, as demonstrated by acceptance of invalid certificates by nginx...

CVE-2017-8301

CVE-2017-8301 affects LibreSSL 2.5.1–2.5.3 and describes a TLS certificate verification weakness that can occur when relying on SSL_get_verify_result for a later check and a user-provided verification callback returns 1, demonstrated by nginx accepting invalid certificates. The core issue is insu...

Weblate: weblate.org: X-XSS-Protection not enabled

Hi, X-Xss-Protection @https://weblate.org has not been set. This header is used to configure the built in reflective XSS protection found in Internet Explorer, Chrome and Safari Webkit. Valid settings for the header are 0, which disables the protection, 1 which enables the protection and 1;...

Weblate: hosted.weblate.org: X-XSS-Protection not enabled

Hi, X-Xss-Protection @https://hosted.weblate.org/ has not been set. This header is used to configure the built in reflective XSS protection found in Internet Explorer, Chrome and Safari Webkit. Valid settings for the header are 0, which disables the protection, 1 which enables the protection and ...

Phusion Passenger Elevation of Privilege Vulnerability

Phusion Passenger is an Apache module for deploying Ruby on Rails projects on Apache and Nginx web servers from Phusion Netherlands. An elevation of privilege vulnerability exists in versions of Phusion Passenger prior to 5.1.0. A local attacker can exploit this vulnerability to gain privileges...

Homebrew: Sensitive information disclosure via response headers on jenkins.brew.sh

While logging into jenkins.brew.sh site, the vulnerable nginx version is disclosed via response headers. There is a chance with known vulnerabilities this could be compromised. so better to avoid banner disclosure with "Server Tokens Prod off" modification in conf file. Please let me know if any...

DEBIAN-CVE-2016-10345

In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user...

UBUNTU-CVE-2016-10345

In Phusion Passenger before 5.1.0, a known /tmp filename was used during passenger-install-nginx-module execution, which could allow local attackers to gain the privileges of the passenger user...

Homebrew: Server version disclosure on [jenkins.brew.sh]

Hello Homebrew security team, I know this is a low severity issue but I thought to get you in notice will be best. The site jenkins.brew.sh discloses the Nginx server version. Impact The information is can be used by attacker for further finding of exploits and information gathering. curl -i...

Kong and Wallarm Partner Up to Boost Microservices API Security

Wallarm has partnered with Mashape to provide the microservices community with API security. Mashape enterprise customers who use Kong API gateway can now quickly add API security protection without change in Kong user’s deployment. Read more about Kong and Wallarm partnership in this blog. Today...