Security Updates for RancherOS Information Disclosure Vulnerability

Medium Nessus Plugin ID 132250

Synopsis

The remote device is missing a vendor-supplied security patch

Description

The remote host is running a version of RancherOS that is prior to v1.1.3, hence is vulnerable to local privilege-escalation vulnerability. An attacker can exploit this issue to cause a denial-of-service condition.

Systems with microprocessors utilizing speculative execution and indirect branch prediction may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis of the data cache.

Solution

Upgrade to RancherOS v1.1.3 or later

See Also

https://rancher.com/docs/os/v1.x/en/about/security/

https://github.com/rancher/os/releases/tag/v1.1.3

Plugin Details

Severity: Medium

ID: 132250

File Name: rancheros_1_1_3.nasl

Version: 1.3

Type: local

Family: Misc.

Published: 2019/12/19

Updated: 2020/07/31

Dependencies: 25335, 12634

Risk Information

Risk Factor: Medium

CVSS Score Source: CVE-2017-5754

CVSS v2.0

Base Score: 4.7

Temporal Score: 4.1

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

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

CVSS v3.0

Base Score: 5.6

Temporal Score: 5.4

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

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

Vulnerability Information

CPE: cpe:/o:rancher:rancheros

Required KB Items: Host/local_checks_enabled, Host/RancherOS/version, Host/RancherOS

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/01/05

Vulnerability Publication Date: 2018/01/04

Reference Information

CVE: CVE-2017-5754

BID: 102378