CVE-2020-8446

CVE-2020-8446 affects OSSEC-HIDS 2.7–3.5.0. The server component ossec-analysisd is vulnerable to a path traversal with write access, exploitable by a local user through crafted syscheck messages sent to the analysisd UNIX domain socket. Impact: integrity is HIGH, confidentiality and availability...

CVE-2020-8446

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis ossec-analysisd is vulnerable to path traversal with write access via crafted syscheck messages written directly to the analysisd UNIX domain socket by a local user...

CVE-2020-8447

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis ossec-analysisd is vulnerable to a use-after-free during processing of syscheck formatted msgs received from authenticated remote agents and delivered to the analysisd processing queue by ossec-remoted...

CVE-2020-8447

OSSEC-HIDS CVE-2020-8447 affects ossec-analysisd (server component) in versions 2.7 through 3.5.0, with a use-after-free vulnerability when processing syscheck-formatted messages delivered to the analysis queue by ossec-remoted. Impact is high (CVE details indicate partial confidentiality/integri...

CVE-2020-8448

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis ossec-analysisd is vulnerable to a denial of service NULL pointer dereference via crafted messages written directly to the analysisd UNIX domain socket by a local user...

CVE-2020-8448

OSSEC-HIDS CVE-2020-8448 affects 2.7–3.5.0; the server component ossec-analysisd is vulnerable to a denial of service via a NULL pointer dereference when local users craft messages sent to the analysisd UNIX domain socket. Impact is a local DoS with partial availability impact per CVSS. Mitigatio...

PT-2020-20142 · Trend Micro · Ossec-Hids

Name of the Vulnerable Software and Affected Versions: OSSEC-HIDS versions 2.7 through 3.5.0 Description: The server component responsible for log analysis, ossec-analysisd, is vulnerable to a heap-based buffer overflow in the rootcheck decoder component via an authenticated client...

PT-2020-20145 · Trend Micro · Ossec-Hids

Name of the Vulnerable Software and Affected Versions: OSSEC-HIDS versions 2.7 through 3.5.0 Description: The issue arises from the OS CleanMSG function in ossec-analysisd, which fails to remove or encode terminal control characters or newlines from processed log messages. This can lead to the...

PT-2020-20146 · Trend Micro · Ossec-Hids

Name of the Vulnerable Software and Affected Versions: OSSEC-HIDS versions 2.7 through 3.5.0 Description: The server component responsible for log analysis, ossec-analysisd, is vulnerable to path traversal with write access via crafted syscheck messages written directly to the analysisd UNIX doma...

PT-2020-20148 · Trend Micro · Ossec-Hids

Name of the Vulnerable Software and Affected Versions: OSSEC-HIDS versions 2.7 through 3.5.0 Description: The issue affects the server component responsible for log analysis, ossec-analysisd, which is vulnerable to a denial of service due to a NULL pointer dereference. This can be triggered by...

PT-2020-20147 · Trend Micro · Ossec-Hids

Name of the Vulnerable Software and Affected Versions: OSSEC-HIDS versions 2.7 through 3.5.0 Description: The server component responsible for log analysis, ossec-analysisd, is vulnerable to a use-after-free during processing of syscheck formatted msgs. These messages are received from...

OSSEC-HIDS Security Audit Findings

Hi folks, I spent some free time recently auditing OSSEC. I w...

CVE-2020-3941

The repair operation of VMware Tools for Windows 10.x.y has a race condition which may allow for privilege escalation in the Virtual Machine where Tools is installed. This vulnerability is not present in VMware Tools 11.x.y since the affected functionality is not present in VMware Tools 11. Recen...

Open Source Host & Endpoint Security: Wazuh

Wazuh is a security detection, visibility, and compliance open source project. It was born as a fork of OSSEC HIDS, later was integrated with Elastic Stack and OpenSCAP evolving into a more comprehensive solution. Wazuh helps you to gain deeper security visibility into your infrastructure by...

Network Security Monitoring: Security Onion

Network Security Monitoring NSM is, put simply, monitoring your network for security related events. It might be proactive, when used to identify vulnerabilities or expiring SSL certificates, or it might be reactive, such as in incident response and network forensics. Whether you’re tracking an...

FreeBSD : security/ossec-hids-* -- root escalation via syscheck feature (c470db07-1098-11e5-b6a8-002590263bf5)

OSSEC reports : The CVE-2015-3222 vulnerability, which allows for root escalation via sys check has been fixed in OSSEC 2.8.2. This issue does not affect agents. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The descriptive text and package checks in this plugin were extracted from the...

OSSEC 2.8.1 Local Root Escalation

Fix for CVE-2015-3222 which allows for root escalation via syscheck - https://github.com/ossec/ossec-hids/releases/tag/2.8.2 Affected versions: 2.7 - 2.8.1 Beginning is OSSEC 2.7 d88cf1c9 a feature was added to syscheck, which is the daemon that monitors file changes on a system, called...

OSSEC 2.7 < 2.8.1 - 'diff' Local Privilege Escalation

Fix for CVE-2015-3222 which allows for root escalation via syscheck - https://github.com/ossec/ossec-hids/releases/tag/2.8.2 Affected versions: 2.7 - 2.8.1 Beginning is OSSEC 2.7 d88cf1c9 a feature was added to syscheck, which is the daemon that monitors file changes on a system, called...

Host Based Intrusion Detection System: Samhain

The Samhain host-based intrusion detection system HIDS provides file integrity checking and log file monitoring/analysis, as well as rootkit detection, port monitoring, detection of rogue SUID executables, and hidden processes. samhain is a file and host integrity and intrusion alert system...

FreeBSD : security/ossec-hids-* -- root escalation via temp files (36858e78-3963-11e4-ad84-000c29f6ae42)

OSSEC reports : This correction will create the temp file for the hosts deny file in /var/ossec and will use mktemp where available to create NON-predictable temp file name. In cases where mktemp is not available we have written a BAD version of mktemp, but should be a little better then just...