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Debian DSA-4335-1 : nginx - security update

medium Nessus Plugin ID 118840

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Synopsis

The remote Debian host is missing a security-related update.

Description

Three vulnerabilities were discovered in Nginx, a high-performance web and reverse proxy server, which could result in denial of service in processing HTTP/2 (via excessive memory/CPU usage) or server memory disclosure in the ngx_http_mp4_module module (used for server-side MP4 streaming).

Solution

Upgrade the nginx packages.

For the stable distribution (stretch), these problems have been fixed in version 1.10.3-1+deb9u2.

See Also

https://security-tracker.debian.org/tracker/source-package/nginx

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

https://www.debian.org/security/2018/dsa-4335

Plugin Details

Severity: Medium

ID: 118840

File Name: debian_DSA-4335.nasl

Version: 1.7

Type: local

Agent: unix

Published: 11/9/2018

Updated: 4/14/2021

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, cpe:/o:debian:debian_linux:9.0

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-2018-16843, CVE-2018-16844, CVE-2018-16845

DSA: 4335