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FreeBSD : FreeBSD -- jail(2) information leak (46a29f83-cb47-11ee-b609-002590c1f29c)

high Nessus Plugin ID 190576

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 46a29f83-cb47-11ee-b609-002590c1f29c advisory.

 - The jail(2) system call has not limited a visiblity of allocated TTYs (the kern.ttys sysctl).
 This gives rise to an information leak about processes outside the current jail. Attacker can get information about TTYs allocated on the host or in other jails. Effectively, the information printed by pstat -t may be leaked. (CVE-2024-25941)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?6ea07773

Plugin Details

Severity: High

ID: 190576

File Name: freebsd_pkg_46a29f83cb4711eeb609002590c1f29c.nasl

Version: 1.0

Type: local

Published: 2/15/2024

Updated: 2/15/2024

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2024-25941

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:freebsd-kernel, cpe:/o:freebsd:freebsd

Required KB Items: Settings/ParanoidReport, Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 2/14/2024

Vulnerability Publication Date: 2/14/2024

Reference Information

CVE: CVE-2024-25941