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FreeBSD : FreeBSD -- File description reference count leak (0d3f99f7-b30c-11e9-a87f-a4badb2f4699)

high Nessus Plugin ID 127539

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Synopsis

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

Description

If a process attempts to transmit rights over a UNIX-domain socket and an error causes the attempt to fail, references acquired on the rights are not released and are leaked. This bug can be used to cause the reference counter to wrap around and free the corresponding file structure. Impact : A local user can exploit the bug to gain root privileges or escape from a jail.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?ebb960c8

Plugin Details

Severity: High

ID: 127539

File Name: freebsd_pkg_0d3f99f7b30c11e9a87fa4badb2f4699.nasl

Version: 1.3

Type: local

Published: 8/12/2019

Updated: 5/7/2024

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2019-5607

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/30/2019

Vulnerability Publication Date: 7/24/2019

Reference Information

CVE: CVE-2019-5607

FreeBSD: SA-19:17.fd