Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerability (USN-3333-1)

high Nessus Plugin ID 100931

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-3333-1 advisory.

- An issue was discovered in the size of the stack guard page on Linux, specifically a 4k stack guard page is not sufficiently large and can be jumped over (the stack guard page is bypassed), this affects Linux Kernel versions 4.11.5 and earlier (the stackguard page was introduced in 2010). (CVE-2017-1000364)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected kernel package.

See Also

https://ubuntu.com/security/notices/USN-3333-1

Plugin Details

Severity: High

ID: 100931

File Name: ubuntu_USN-3333-1.nasl

Version: 3.17

Type: local

Agent: unix

Published: 6/20/2017

Updated: 1/9/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 5.1

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

CVSS Score Source: CVE-2017-1000364

CVSS v3

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.9

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-4.8.0-56-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.8.0-56-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.8.0-56-lowlatency, cpe:/o:canonical:ubuntu_linux:16.04:-:lts

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/19/2017

Vulnerability Publication Date: 2/6/2017

Exploitable With

Metasploit (Solaris RSH Stack Clash Privilege Escalation)

Reference Information

CVE: CVE-2017-1000364

USN: 3333-1