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FreeBSD : FreeBSD -- memory leak in sandboxed namei lookup (73964eac-6007-11e6-a6c3-14dae9d210b8)

medium Nessus Plugin ID 92910

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Synopsis

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

Description

The namei facility will leak a small amount of kernel memory every time a sandboxed process looks up a nonexistent path name. Impact : A remote attacker that can cause a sandboxed process (for instance, a web server) to look up a large number of nonexistent path names can cause memory exhaustion.

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?c0c1740c

Plugin Details

Severity: Medium

ID: 92910

File Name: freebsd_pkg_73964eac600711e6a6c314dae9d210b8.nasl

Version: 2.5

Type: local

Published: 8/12/2016

Updated: 1/4/2021

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

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: 8/11/2016

Vulnerability Publication Date: 10/21/2014

Reference Information

CVE: CVE-2014-3711

BID: 70692

FreeBSD: SA-14:22.namei