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-2020-20148 · 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-2020-20145 · 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-2020-20147 · 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...

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...

OSSEC-HIDS Security Audit Findings

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

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...

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...

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...