[SECURITY] Fedora 30 Update: haproxy-1.8.23-1.fc30

HAProxy is a TCP/HTTP reverse proxy which is particularly suited for high availability environments. Indeed, it can: - route HTTP requests depending on statically assigned cookies - spread load among several servers while assuring server persistence through the use of HTTP cookies - switch to...

PT-2019-14826

Name of the Vulnerable Software and Affected Versions Puma versions prior to 3.12.2 Puma versions prior to 4.3.1 Description A poorly-behaved client could use keepalive requests to monopolize Puma's reactor and create a denial of service attack. If more keepalive connections to Puma are opened th...

Debian DSA-4577-1 : haproxy - security update

Tim Dusterhus discovered that haproxy, a TCP/HTTP reverse proxy, did not properly sanitize HTTP headers when converting from HTTP/2 to HTTP/1. This would allow a remote user to perform CRLF injections. C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were...

CVE-2019-4036

IBM Security Access Manager Appliance could allow unauthenticated attacker to cause a denial of service in the reverse proxy component. IBM X-Force ID: 156159...

CVE-2019-4036

CVE-2019-4036 affects IBM Security Access Manager Appliance. The available documents show unauthenticated remote denial-of-service against the reverse proxy, commonly associated with Slow HTTP/Slowloris abuse. Affected product: IBM Security Access Manager Appliance (ISAM Appliance); impact: denia...

CVE-2019-4036: Undefined Security Weakness

IBM Security Access Manager Appliance could allow unauthenticated attacker to cause a denial of service in the reverse proxy component. IBM X-Force ID: 156159...

PT-2019-16854

Name of the Vulnerable Software and Affected Versions IBM Security Access Manager Appliance affected versions not specified Description The issue allows an unauthenticated attacker to cause a denial of service in the reverse proxy component. Recommendations At the moment, there is no information...

New Cache Poisoning Attack Lets Attackers Target CDN Protected Sites

A team of German cybersecurity researchers has discovered a new cache poisoning attack against web caching systems that could be used by an attacker to force a targeted website into delivering error pages to most of its visitors instead of legitimate content or resources. The issue could affect...

New Cache Poisoning Attack Lets Attackers Target CDN Protected Sites

A team of German cybersecurity researchers has discovered a new cache poisoning attack against web caching systems that could be used by an attacker to force a targeted website into delivering error pages to most of its visitors instead of legitimate content or resources. The issue could affect...

Phishing Tool Analysis: Modlishka

Additional research and support provided by Danny Wasserman. Overview One of the goals of phishing sites is to lure individuals into providing sensitive data, such as personally identifiable information, banking and credit card details, and passwords, through the use of email, SMS, social media,...

Razer: Request Smuggling vulnerability due a vulnerable skipper reverse proxy running in the environment.

The tester discovered that a server was using Skipper as a reverse proxy that was not fully patched, allowing a request smuggling vulnerability. We thank the tester for his report and excellent PoC and his patience with the slow response of the engineering team...

CVE-2019-3878

A vulnerability was found in modauthmellon. If Apache is configured as a reverse proxy and modauthmellon is configured to only let through authenticated users with the require valid-user directive, adding special HTTP headers that are normally used to start the special SAML ECP non-browser based...

HTTP Request Smuggling

github.com/golang/go is vulnerable to HTTP request smuggling. The vulnerability exists as invalid HTTP/1.1 headers were accepted and normalized with a space before the colon, allowing a reverse proxy to interpret the headers differently...

go -- invalid headers are normalized, allowing request smuggling

The Go project reports: net/http through net/textproto used to accept and normalize invalid HTTP/1.1 headers with a space before the colon, in violation of RFC 7230. If a Go server is used behind a reverse proxy that accepts and forwards but doesn't normalize such invalid headers, the reverse pro...

ALSA-2019:2799 Important: nginx:1.14 security update

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 Post Office Protocol 3 and IMAP protocols, with a focus on high concurrency, performance and low memory usage. Security Fixes: HTTP/2: large amount of data request leads to denial of service CVE-2019-9511 HTTP/2: flood using...

Important: nginx:1.14 security update

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 Post Office Protocol 3 and IMAP protocols, with a focus on high concurrency, performance and low memory usage. Security Fixes: HTTP/2: large amount of data request leads to denial of service CVE-2019-9511 HTTP/2: flood using...

CVE-2019-14997

The AccessLogFilter class in Jira before version 8.4.0 allows remote anonymous attackers to learn details about other users, including their username, via an information expose through caching vulnerability when Jira is configured with a reverse Proxy and or a load balancer with caching or a CDN...

Authentication flaw

The AccessLogFilter class in Jira before version 8.4.0 allows remote anonymous attackers to learn details about other users, including their username, via an information expose through caching vulnerability when Jira is configured with a reverse Proxy and or a load balancer with caching or a CDN...

CVE-2019-14997

CVE-2019-14997 affects Jira AccessLogFilter, enabling remote anonymous attackers to learn details about other users (including usernames) via an information disclosure through caching when Jira is behind a reverse proxy/load balancer with caching or a CDN. Affected software is Jira before version...

CVE-2019-14997: Use of Cache Containing Sensitive Information

The AccessLogFilter class in Jira before version 8.4.0 allows remote anonymous attackers to learn details about other users, including their username, via an information expose through caching vulnerability when Jira is configured with a reverse Proxy and or a load balancer with caching or a CDN...