F5 Networks BIG-IP : Linux kernel vulnerability (K15526101)

High Nessus Plugin ID 118633

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VPR Score: 6.7

Synopsis

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

Description

The dccp_disconnect function in net/dccp/proto.c in the Linux kernel through 4.14.3 allows local users to gain privileges or cause a denial of service (use-after-free) via an AF_UNSPEC connect system call during the DCCP_LISTEN state. (CVE-2017-8824)

Impact

An attacker may exploit this vulnerability to gain privileges.

Solution

Upgrade to one of the non-vulnerable versions listed in the F5 Solution K15526101.

See Also

https://support.f5.com/csp/article/K15526101

Plugin Details

Severity: High

ID: 118633

File Name: f5_bigip_SOL15526101.nasl

Version: 1.9

Type: local

Published: 2018/11/02

Updated: 2020/03/09

Dependencies: 76940

Risk Information

Risk Factor: High

VPR Score: 6.7

CVSS v2.0

Base Score: 7.2

Temporal Score: 5.6

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

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

CVSS v3.0

Base Score: 7.8

Temporal Score: 7

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

Temporal Vector: CVSS:3.0/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:/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/05/08

Vulnerability Publication Date: 2017/12/05

Reference Information

CVE: CVE-2017-8824