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Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerability (USN-2645-1)

high Nessus Plugin ID 84212

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2645-1 advisory.

 Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces.
 A local user could exploit this flaw to gain administrative privileges on the system.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

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-2645-1

Plugin Details

Severity: High

ID: 84212

File Name: ubuntu_USN-2645-1.nasl

Version: 2.19

Type: local

Agent: unix

Published: 6/16/2015

Updated: 8/28/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2015-1328

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-21-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-21-powerpc64-emb, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-21-lowlatency, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-21-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-21-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-21-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.19.0-21-generic

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/15/2015

Vulnerability Publication Date: 11/28/2016

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Overlayfs Privilege Escalation)

Reference Information

CVE: CVE-2015-1328

USN: 2645-1