F5 Networks BIG-IP : Linux kernel vulnerability (K04337834)

high Nessus Plugin ID 151462

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New! Plugin Severity Now Using CVSS v3

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Synopsis

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

Description

Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.
(CVE-2017-10661)

Impact

A locally logged-in attacker can gain unauthorized access to resources or cause a denial of service (DoS) on a vulnerable system.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K04337834.

See Also

https://support.f5.com/csp/article/K04337834

Plugin Details

Severity: High

ID: 151462

File Name: f5_bigip_SOL04337834.nasl

Version: 1.3

Type: local

Published: 7/8/2021

Updated: 8/5/2021

Dependencies: f5_bigip_detect.nbin

Configuration: Enable paranoid mode

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6

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

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

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.3

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

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

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/7/2020

Vulnerability Publication Date: 8/19/2017

Reference Information

CVE: CVE-2017-10661