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Ossec Security Vulnerabilities

cve
cve

CVE-2018-19666

The agent in OSSEC through 3.1.0 on Windows allows local users to gain NT AUTHORITY\SYSTEM access via Directory Traversal by leveraging full access to the associated OSSEC...

7.8CVSS

7.6AI Score

0.0004EPSS

2022-10-03 04:21 PM
24
cve
cve

CVE-2021-28040

An issue was discovered in OSSEC 3.6.0. An uncontrolled recursion vulnerability in os_xml.c occurs when a large number of opening and closing XML tags is used. Because recursion is used in _ReadElem without restriction, an attacker can trigger a segmentation fault once unmapped memory is...

7.5CVSS

7.5AI Score

0.001EPSS

2021-03-05 06:15 PM
41
10
cve
cve

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...

5.5CVSS

5.5AI Score

0.0004EPSS

2020-01-30 01:15 AM
54
cve
cve

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...

9.8CVSS

9.3AI Score

0.008EPSS

2020-01-30 01:15 AM
67
cve
cve

CVE-2020-8444

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 ossec-alert formatted msgs (received from authenticated remote agents and delivered to the analysisd processing queue by...

9.8CVSS

9.3AI Score

0.008EPSS

2020-01-30 01:15 AM
62
cve
cve

CVE-2020-8445

In OSSEC-HIDS 2.7 through 3.5.0, the OS_CleanMSG function in ossec-analysisd doesn't remove or encode terminal control characters or newlines from processed log messages. In many cases, those characters are later logged. Because newlines (\n) are permitted in messages processed by ossec-analysisd,....

9.8CVSS

9.6AI Score

0.007EPSS

2020-01-30 01:15 AM
64
cve
cve

CVE-2020-8442

In OSSEC-HIDS 2.7 through 3.5.0, 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...

8.8CVSS

8.8AI Score

0.015EPSS

2020-01-30 01:15 AM
67
cve
cve

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...

5.5CVSS

5.7AI Score

0.0004EPSS

2020-01-30 01:15 AM
62
cve
cve

CVE-2020-8443

In OSSEC-HIDS 2.7 through 3.5.0, the server component responsible for log analysis (ossec-analysisd) is vulnerable to an off-by-one heap-based buffer overflow during the cleaning of crafted syslog msgs (received from authenticated remote agents and delivered to the analysisd processing queue by...

9.8CVSS

9.5AI Score

0.182EPSS

2020-01-30 01:15 AM
61
cve
cve

CVE-2015-3222

syscheck/seechanges.c in OSSEC 2.7 through 2.8.1 on NIX systems allows local users to execute arbitrary code as...

7CVSS

7AI Score

0.001EPSS

2017-09-07 08:29 PM
40
cve
cve

CVE-2016-4847

Cross-site scripting (XSS) vulnerability in site/search.php in OSSEC Web UI before 0.9 allows remote attackers to inject arbitrary web script or HTML by leveraging an unanchored...

6.1CVSS

6AI Score

0.001EPSS

2017-04-20 05:59 PM
16
cve
cve

CVE-2014-5284

host-deny.sh in OSSEC before 2.8.1 writes to temporary files with predictable filenames without verifying ownership, which allows local users to modify access restrictions in hosts.deny and gain root privileges by creating the temporary files before automatic IP blocking is...

6.5AI Score

0.0004EPSS

2014-12-02 01:59 AM
32