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Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3385-1)

high Nessus Plugin ID 102420

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3385-1 advisory.

 Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload (UFO) code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code.
 (CVE-2017-1000112)

 Andrey Konovalov discovered a race condition in AF_PACKET socket option handling code in the Linux kernel.
 A local unprivileged attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2017-1000111)

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

Note that Nessus has not tested for these issues 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-3385-1

Plugin Details

Severity: High

ID: 102420

File Name: ubuntu_USN-3385-1.nasl

Version: 3.16

Type: local

Agent: unix

Published: 8/11/2017

Updated: 8/27/2024

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-2017-1000111

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-4.4.0-91-powerpc-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-91-powerpc64-emb, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-91-powerpc64-smp, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1030-aws, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-91-lowlatency, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1071-snapdragon, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-91-generic, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-91-generic-lpae, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-91-powerpc-e500mc, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1069-raspi2, p-cpe:/a:canonical:ubuntu_linux:linux-image-4.4.0-1026-gke

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: 8/10/2017

Vulnerability Publication Date: 10/5/2017

Exploitable With

Core Impact

Metasploit (Linux Kernel UDP Fragmentation Offset (UFO) Privilege Escalation)

Reference Information

CVE: CVE-2017-1000111, CVE-2017-1000112

USN: 3385-1