F5 Networks BIG-IP : Linux kernel vulnerability (K31603170)

medium Nessus Plugin ID 104108

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

The filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions. (CVE-2016-7097)

Impact

A local user may be allowed to gain group privileges by way of certain setgid applications.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K31603170.

Plugin Details

Severity: Medium

ID: 104108

File Name: f5_bigip_SOL31603170.nasl

Version: 3.9

Type: local

Family: F5 Networks Local Security Checks

Published: 10/24/2017

Updated: 1/4/2019

Configuration: Enable paranoid mode

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.5

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

CVSS v3

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.9

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

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

Vulnerability Information

CPE: cpe:/a:f5:big-ip_link_controller, cpe:/h:f5:big-ip_protocol_security_manager, cpe:/a:f5:big-ip_application_visibility_and_reporting, cpe:/a:f5:big-ip_policy_enforcement_manager, cpe:/h:f5:big-ip, cpe:/a:f5:big-ip_application_security_manager, cpe:/a:f5:big-ip_advanced_firewall_manager, cpe:/a:f5:big-ip_local_traffic_manager, cpe:/a:f5:big-ip_access_policy_manager, cpe:/a:f5:big-ip_global_traffic_manager, cpe:/a:f5:big-ip_application_acceleration_manager, cpe:/a:f5:big-ip_webaccelerator

Required KB Items: Host/local_checks_enabled, Host/BIG-IP/hotfix, Host/BIG-IP/modules, Host/BIG-IP/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 6/22/2017

Reference Information

CVE: CVE-2016-7097

Detections

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