F5 Networks BIG-IP : Linux kernel vulnerability (K42142782)

Medium Nessus Plugin ID 127493

Synopsis

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

Description

A non-privileged user is able to mount a fuse filesystem on RHEL 6 or 7 and crash a system if an application punches a hole in a file that does not end aligned to a page boundary. (CVE-2017-15121)

Impact

An attacker can exploit this vulnerability to cause a denial of service (DoS) on the affected system.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K42142782.

See Also

https://support.f5.com/csp/article/K42142782

Plugin Details

Severity: Medium

ID: 127493

File Name: f5_bigip_SOL42142782.nasl

Version: 1.3

Type: local

Published: 2019/08/12

Updated: 2020/03/09

Dependencies: 76940

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.9

Temporal Score: 3.6

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: CVSS:3.0/E:U/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:/a:f5:big-ip_webaccelerator, cpe:/h:f5:big-ip

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2018/07/18

Vulnerability Publication Date: 2017/12/07

Reference Information

CVE: CVE-2017-15121