Oracle Linux 6 / 7 : Unbreakable Enterprise kernel (ELSA-2017-3659)

high Nessus Plugin ID 105247

Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 6 / 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2017-3659 advisory.

- A missing authorization check in the fscrypt_process_policy function in fs/crypto/policy.c in the ext4 and f2fs filesystem encryption support in the Linux kernel before 4.7.4 allows a user to assign an encryption policy to a directory owned by a different user, potentially creating a denial of service.
(CVE-2016-10318)

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

https://linux.oracle.com/errata/ELSA-2017-3659.html

Plugin Details

Severity: High

ID: 105247

File Name: oraclelinux_ELSA-2017-3659.nasl

Version: 3.18

Type: local

Agent: unix

Published: 12/14/2017

Updated: 9/8/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

Temporal Vector: E:F/RL:OF/RC:C

CVSS Score Source: CVE-2016-10318

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.2

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

Temporal Vector: E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:6, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-uek, p-cpe:/a:oracle:linux:kernel-uek-debug, p-cpe:/a:oracle:linux:kernel-uek-debug-devel, p-cpe:/a:oracle:linux:kernel-uek-devel, p-cpe:/a:oracle:linux:kernel-uek-doc, p-cpe:/a:oracle:linux:kernel-uek-firmware

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/13/2017

Vulnerability Publication Date: 4/4/2017

Exploitable With

Core Impact

Metasploit (Linux Kernel UDP Fragmentation Offset (UFO) Privilege Escalation)

Reference Information

CVE: CVE-2016-1575, CVE-2016-1576, CVE-2016-6213, CVE-2016-9191, CVE-2016-9604, CVE-2016-10044, CVE-2016-10200, CVE-2016-10318, CVE-2017-2618, CVE-2017-2671, CVE-2017-7477, CVE-2017-7482, CVE-2017-7533, CVE-2017-7541, CVE-2017-7542, CVE-2017-7618, CVE-2017-7645, CVE-2017-7889, CVE-2017-8797, CVE-2017-8831, CVE-2017-8890, CVE-2017-9059, CVE-2017-9074, CVE-2017-9075, CVE-2017-9077, CVE-2017-9242, CVE-2017-10661, CVE-2017-11176, CVE-2017-11473, CVE-2017-12134, CVE-2017-12154, CVE-2017-12190, CVE-2017-12192, CVE-2017-14106, CVE-2017-14489, CVE-2017-15649, CVE-2017-16527, CVE-2017-16650, CVE-2017-1000111, CVE-2017-1000112, CVE-2017-1000251, CVE-2017-1000363, CVE-2017-1000364, CVE-2017-1000365, CVE-2017-1000380, CVE-2017-1000405