Logstash 5.0.1 released with a security patch

Hi all, we would like to announce that Logstash 5.0.1 has been released with an important security patch. Prior to Logstash version 5.0.1, Elasticsearch Output plugin when updating connections after sniffing, would log to file HTTP basic auth credentials. We advise our users using Logstash and...

Logstash 2.3.2 Vulnerability with Netflow codec plugin

Hi all, we've published ESA-2016-06 for a vulnerability in netflow codec plugin for Logstash 2.3.2. Thanks to Jorrit Folmer maintainer of netflow codec for reporting and fixing this issue. Details below: Vulnerability Summary: In Logstash versions prior to 2.3.3, when using the Netflow Codec...

Network-based DNS logging in Go: GoPassiveDNS

A network-capture based DNS logger, inspired by passivedns. It uses gopacket to deal with libpcap and packet processing. It outputs JSON logs. It is intended to deal with high volume query capture in environments with anywhewre from one to hundreds of DNS resolvers. Why not use PassiveDNS from...

Logstash 2.3.3 Elasticsearch Output Vulnerability

Hi all, we would like to announce a security vulnerability we discovered in our testing. Logstash 2.3.4 has been released with a patch to fix this. Issue Prior to version 2.3.4, Elasticsearch Output plugin would log to file HTTP authorization headers which could contain sensitive information...

Elastic Logstash 'CVE-2015-4152' Directory Traversal Vulnerability - Linux

Elastic Logstash is prone to a directory traversal vulnerability. This VT has been deprecated and merged into the VT VT SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

Elastic Logstash 'CVE-2014-4326' RCE Vulnerability - Linux

Elastic Logstash is prone to a remote code execution RCE vulnerability. This VT has been deprecated and merged into the VT SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

Elastic Logstash 'CVE-2014-4326' RCE Vulnerability

Elastic Logstash is prone to a remote code execution RCE vulnerability. SPDX-FileCopyrightText: 2016 Greenbone AG 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-only CPE =...

Elastic Logstash 'CVE-2015-4152' Directory Traversal Vulnerability

Elastic Logstash is prone to a directory traversal vulnerability. SPDX-FileCopyrightText: 2016 Greenbone AG 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-only CPE =...

Logstash Logs Sensitive Information

Prior to Logstash version 5.0.1, Elasticsearch Output plugin when updating connections after sniffing, would log to file HTTP basic auth credentials...

FreeBSD : logstash -- password disclosure vulnerability (f2d4f879-0d7c-11e6-925f-6805ca0b3d42)

Logstash developers report : Passwords Printed in Log Files under Some Conditions It was discovered that, in Logstash 2.1.0+, log messages generated by a stalled pipeline during shutdown will print plaintext contents of password fields. While investigating this issue we also discovered that debug...

logstash -- password disclosure vulnerability

Logstash developers report: Passwords Printed in Log Files under Some Conditions It was discovered that, in Logstash 2.1.0+, log messages generated by a stalled pipeline during shutdown will print plaintext contents of password fields. While investigating this issue we also discovered that debug...

Logstash 2.2.1 Elasticsearch Output Vulnerability

Logstash version 2.2.1 is vulnerable to a man in the middle attack when used with Elasticsearch output. In version 2.2.1, the config which enables SSL/TLS default has been disabled inadvertently, so a malicious user could access payload data sent via HTTP during the initial handshake. This has be...

Logstash CSV Output Vulnerability - CVE pending

Summary: Logstash 2.2 and prior versions are vulnerable to a formula based injection, when using the CSV output plugin. This plugin allows users to export data in comma separated values and is susceptible to an attack if the values contained a spreadsheet formula. This vulnerability is not presen...

Elasticsearch Logstash Security Bypass Vulnerability (CNVD-2015-05626)

Elasticsearch Logstash is a set of log analysis and monitoring tools from Elasticsearch Netherlands. The tool provides functions such as search, processing and management of logs or events. A security bypass vulnerability exists in Elasticsearch Logstash. An attacker can exploit this vulnerabilit...

Elastic Logstash insufficient certificate check

man-in-the-middle attack is possible...

Logstash vulnerability CVE-2015-5619

Summary: Logstash 1.5.3 and prior versions are vulnerable to a SSL/TLS security issue which allows an attacker to successfully implement a man in the middle attack. This vulnerability is not present in the initial installation of Logstash. This insecurity is exposed when users configure Lumberjac...

Logstash: Man-In-The Middle attack

Logstash 1.4.x before 1.4.5 and 1.5.x before 1.5.4 with Lumberjack output or the Logstash forwarder does not validate SSL/TLS certificates from the Logstash server, which might allow attackers to obtain sensitive information via a man-in-the-middle attack...

Elasticsearch Logstash Security Bypass Vulnerability

Elasticsearch Logstash is a set of log analysis and monitoring tools from Elasticsearch Netherlands. The tool provides functions such as search, processing and management of logs or events. A security bypass vulnerability exists in Elasticsearch Logstash. An attacker can exploit this vulnerabilit...

FreeBSD : logstash -- SSL/TLS vulnerability with Lumberjack input (c470bcc7-33fe-11e5-a4a5-002590263bf5)

Elastic reports : Vulnerability Summary: All Logstash versions prior to 1.5.2 that use Lumberjack input in combination with Logstash Forwarder agent are vulnerable to a SSL/TLS security issue called the FREAK attack. This allows an attacker to intercept communication and access secure data. Users...

Logstash vulnerability CVE-2015-5378

Summary: Logstash 1.5.2 and prior versions are vulnerable to a SSL/TLS security issue called the FREAK attack. If you are using the Lumberjack input, FREAK allows an attacker to successfully implement a man in the middle attack, intercepting communication between the Logstash Forwarder agent and...