ossec ossec vulnerabilities and exploits

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7

CVSSv3

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

Ossec Ossec 2.8.0 Ossec Ossec 2.7.1 Ossec Ossec 2.8.1 Ossec Ossec 2.7.0

1 EDB exploit

9.8

CVSSv3

In OSSEC-HIDS 2.7 up to and including 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 an...

Ossec Ossec

5.5

CVSSv3

In OSSEC-HIDS 2.7 up to and including 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.

Ossec Ossec

5.5

CVSSv3

In OSSEC-HIDS 2.7 up to and including 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.

Ossec Ossec

8.8

CVSSv3

In OSSEC-HIDS 2.7 up to and including 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 client.

Ossec Ossec

9.8

CVSSv3

In OSSEC-HIDS 2.7 up to and including 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 ...

Ossec Ossec

9.8

CVSSv3

In OSSEC-HIDS 2.7 up to and including 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 mes...

Ossec Ossec

9.8

CVSSv3

In OSSEC-HIDS 2.7 up to and including 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 que...

Ossec Ossec

NA

host-deny.sh in OSSEC prior to 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 per...

Ossec Ossec

1 EDB exploit1 Github repository

7.5

CVSSv3

An issue exists 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...

Ossec Ossec 3.6.0

1 Github repository

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