Debian DSA-4921-1 : nginx - security update

high Nessus Plugin ID 150115

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Synopsis

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

Description

Luis Merino, Markus Vervier and Eric Sesterhenn discovered an off-by-one in Nginx, a high-performance web and reverse proxy server, which could result in denial of service and potentially the execution of arbitrary code.

Solution

Upgrade the nginx packages.

For the stable distribution (buster), this problem has been fixed in version 1.14.2-2+deb10u4.

Plugin Details

Severity: High

ID: 150115

File Name: debian_DSA-4921.nasl

Version: 1.5

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 6/1/2021

Updated: 9/21/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2021-23017

CVSS v3

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:nginx, cpe:/o:debian:debian_linux:10.0

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: 5/28/2021

Vulnerability Publication Date: 6/1/2021

Reference Information

CVE: CVE-2021-23017

DSA: 4921

Detections

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