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Debian DLA-1862-1 : linux security update

high Nessus Plugin ID 126964

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Synopsis

The remote Debian host is missing a security update.

Description

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks.

CVE-2019-2101

Andrey Konovalov discovered that the USB Video Class driver (uvcvideo) did not consistently handle a type field in device descriptors, which could result in a heap buffer overflow. This could be used for denial of service or possibly for privilege escalation.

CVE-2019-10639

Amit Klein and Benny Pinkas discovered that the generation of IP packet IDs used a weak hash function that incorporated a kernel virtual address. In Linux 3.16 this hash function is not used for IP IDs but is used for other purposes in the network stack. In custom kernel configurations that enable kASLR, this might weaken kASLR.

CVE-2019-13272

Jann Horn discovered that the ptrace subsystem in the Linux kernel mishandles the management of the credentials of a process that wants to create a ptrace relationship, allowing a local user to obtain root privileges under certain scenarios.

For Debian 8 'Jessie', these problems have been fixed in version 3.16.70-1. This update also fixes a regression introduced by the original fix for CVE-2019-11478 (#930904), and includes other fixes from upstream stable updates.

We recommend that you upgrade your linux and linux-latest packages.
You will need to use 'apt-get upgrade --with-new-pkgs' or 'apt upgrade' as the binary package names have changed.

We recommend that you upgrade your linux packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2019/07/msg00022.html

https://packages.debian.org/source/jessie/linux

Plugin Details

Severity: High

ID: 126964

File Name: debian_DLA-1862.nasl

Version: 1.10

Type: local

Agent: unix

Published: 7/24/2019

Updated: 5/8/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, 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-2019-13272

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:debian:debian_linux:linux-headers-3.16.0-9-586, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-686-pae, p-cpe:/a:debian:debian_linux:xen-linux-system-3.16.0-9-amd64, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-armmp-lpae, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-armmp-lpae, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-i386, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-armmp, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-versatile, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-armel, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-orion5x, p-cpe:/a:debian:debian_linux:linux-support-3.16.0-9, p-cpe:/a:debian:debian_linux:linux-manual-3.16, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-amd64-dbg, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-armhf, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-amd64, p-cpe:/a:debian:debian_linux:linux-compiler-gcc-4.9-x86, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-kirkwood, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-686-pae-dbg, p-cpe:/a:debian:debian_linux:linux-compiler-gcc-4.8-arm, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-ixp4xx, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-armmp, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-amd64, p-cpe:/a:debian:debian_linux:linux-doc-3.16, p-cpe:/a:debian:debian_linux:linux-libc-dev, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-versatile, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all-amd64, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-all, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-586, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-orion5x, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-ixp4xx, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-kirkwood, p-cpe:/a:debian:debian_linux:linux-image-3.16.0-9-686-pae, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:linux-headers-3.16.0-9-common, p-cpe:/a:debian:debian_linux:linux-source-3.16, p-cpe:/a:debian:debian_linux:linux-compiler-gcc-4.8-x86

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/23/2019

Vulnerability Publication Date: 6/7/2019

CISA Known Exploited Vulnerability Due Dates: 6/10/2022

Exploitable With

Core Impact

Metasploit (Linux Polkit pkexec helper PTRACE_TRACEME local root exploit)

Reference Information

CVE: CVE-2019-10639, CVE-2019-13272, CVE-2019-2101