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Debian DLA-1572-1 : nginx security update

medium Nessus Plugin ID 118839

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Synopsis

The remote Debian host is missing a security update.

Description

It was discovered that there was a denial of service (DoS) vulnerability in the nginx web/proxy server.

As there was no validation for the size of a 64-bit atom in an MP4 file, this could have led to a CPU hog when the size was 0, or various other problems due to integer underflow when the calculating atom data size, including segmentation faults or even worker-process memory disclosure.

For Debian 8 'Jessie', this issue has been fixed in nginx version 1.6.2-5+deb8u6.

We recommend that you upgrade your nginx 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/2018/11/msg00010.html

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

Plugin Details

Severity: Medium

ID: 118839

File Name: debian_DLA-1572.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/9/2018

Updated: 7/24/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.3

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

CVSS Score Source: CVE-2018-16845

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:nginx-extras, p-cpe:/a:debian:debian_linux:nginx-common, p-cpe:/a:debian:debian_linux:nginx-light, p-cpe:/a:debian:debian_linux:nginx-light-dbg, p-cpe:/a:debian:debian_linux:nginx-full-dbg, p-cpe:/a:debian:debian_linux:nginx-doc, p-cpe:/a:debian:debian_linux:nginx, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:nginx-extras-dbg, p-cpe:/a:debian:debian_linux:nginx-full

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/8/2018

Vulnerability Publication Date: 11/7/2018

Reference Information

CVE: CVE-2018-16845