squid: SIGSEGV in ESIContext response handling

An incorrect reference counting flaw was found in the way Squid processes ESI responses. If Squid is configured as reverse-proxy, for TLS/HTTPS interception, an attacker controlling a server accessed by Squid, could crash the squid worker, causing a Denial of Service attack...

squid: multiple issues in ESI processing

Buffer overflow and input validation flaws were found in the way Squid processed ESI responses. If Squid was used as a reverse proxy, or for TLS/HTTPS interception, a remote attacker able to control ESI components on an HTTP server could use these flaws to crash Squid, disclose parts of the stack...

squid: SegFault from ESIInclude::Start

A NULL pointer dereference flaw was found in the way Squid processes ESI responses. If Squid was used as a reverse proxy or for TLS/HTTPS interception, a malicious server could use this flaw to crash the Squid worker process...

Moderate: Red Hat Security Advisory: squid security update

An update for squid is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

RHEL 6 : squid34 (RHSA-2016:1140)

The remote Redhat Enterprise Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2016:1140 advisory. The squid34 packages provide version 3.4 of Squid, a high-performance proxy caching server for web clients, supporting FTP, Gopher, and HTTP...

RHEL 7 : squid (RHSA-2016:1139)

An update for squid is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Modern Reverse Proxy: Traefik

Modern Reverse Proxy Træfɪk is a modern HTTP reverse proxy and load balancer made to deploy microservices with ease. It supports several backends Docker , Swarm , Mesos/Marathon , Kubernetes , Consul , Etcd , Zookeeper , BoltDB , Rest API, file… to manage its configuration automatically and...

CVE-2016-4555

A NULL pointer dereference flaw was found in the way Squid processes ESI responses. If Squid was used as a reverse proxy or for TLS/HTTPS interception, a malicious server could use this flaw to crash the Squid worker process...

CVE-2016-4554

An input validation flaw was found in Squid's mimegetheaderfield function, which is used to search for headers within HTTP requests. An attacker could send an HTTP request from the client side with specially crafted header Host header that bypasses same-origin security protections, causing Squid...

Paragon Initiative Enterprises: The Anti-CSRF Library fails to restrict token to a particular IP address when being behind a reverse-proxy/WAF

The Anti-CSRF Library provides the ability to restrict token to a particular IP address using the variable "$hmacip". When "$hmacip" is set to "true", the token is generated using the predefined variable "$SERVER'REMOTEADDR'" which gives the IP address of the client. However, when the web server ...

Debian Security Advisory DSA 3553-1 (varnish - security update)

Regis Leroy from Makina Corpus discovered that varnish, a caching HTTP reverse proxy, is vulnerable to HTTP smuggling issues, potentially resulting in cache poisoning or bypassing of access control policies. OpenVAS Vulnerability Test $Id: deb3553.nasl 6608 2017-07-07 12:05:05Z cfischer $...

DSA-3553-1 varnish - security update

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Responses with Set-Cookie header cached

h3. Context We have Jira running with SSO from Crowd. Jira is behind a corporate reverse proxy from BlueCoat which has caching enabled but respects the Cache-control, Expire and Pragma HTTP headers. h3. Problem We have discovered following cases of sessions mix up where a user \1 get the Crowd...

Responses with Set-Cookie header cached

h3. Context We have Jira running with SSO from Crowd. Jira is behind a corporate reverse proxy from BlueCoat which has caching enabled but respects the Cache-control, Expire and Pragma HTTP headers. h3. Problem We have discovered following cases of sessions mix up where a user \1 get the Crowd...

Responses with Set-Cookie header cached

h3. Context We have Confluence running with SSO from Crowd. Confluence is behind a corporate reverse proxy from BlueCoat which has caching enabled but respects the Cache-control, Expire and Pragma HTTP headers. h3. Problem We have discovered following cases of sessions mix up where a user \1 get...

Responses with Set-Cookie header cached

h3. Context We have Confluence running with SSO from Crowd. Confluence is behind a corporate reverse proxy from BlueCoat which has caching enabled but respects the Cache-control, Expire and Pragma HTTP headers. h3. Problem We have discovered following cases of sessions mix up where a user \1 get...

Self Hosted Git Service: Gogs

Gogs is a self-hosted Git service written in Go which is very easy to get running and has low system usage as well. It aspires to be the easiest, fastest, and most painless way to set up a self-hosted Git service. With Go, this can be done with an independent binary distribution across ALL...

[SECURITY] Fedora 22 Update: nginx-1.8.1-1.fc22

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

[SECURITY] Fedora 23 Update: nginx-1.8.1-1.fc23

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

[SECURITY] Fedora 22 Update: haproxy-1.5.14-1.fc22

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...