Oracle Linux 8 : nginx:1.14 (ELSA-2019-2799) (0-Length Headers Leak) (Data Dribble) (Resource Loop)

high Nessus Plugin ID 129087

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

From Red Hat Security Advisory 2019:2799 :

An update for the nginx:1.14 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 (Post Office Protocol 3) and IMAP protocols, with a focus on high concurrency, performance and low memory usage.

Security Fix(es) :

* HTTP/2: large amount of data request leads to denial of service (CVE-2019-9511)

* HTTP/2: flood using PRIORITY frames resulting in excessive resource consumption (CVE-2019-9513)

* HTTP/2: 0-length headers leads to denial of service (CVE-2019-9516)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

Update the affected nginx:1.14 packages.

See Also

https://oss.oracle.com/pipermail/el-errata/2019-September/009184.html

Plugin Details

Severity: High

ID: 129087

File Name: oraclelinux_ELSA-2019-2799.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/20/2019

Updated: 12/27/2019

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:nginx, p-cpe:/a:oracle:linux:nginx-all-modules, p-cpe:/a:oracle:linux:nginx-filesystem, p-cpe:/a:oracle:linux:nginx-mod-http-image-filter, p-cpe:/a:oracle:linux:nginx-mod-http-perl, p-cpe:/a:oracle:linux:nginx-mod-http-xslt-filter, p-cpe:/a:oracle:linux:nginx-mod-mail, p-cpe:/a:oracle:linux:nginx-mod-stream, cpe:/o:oracle:linux:8

Required KB Items: Host/local_checks_enabled, Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/19/2019

Vulnerability Publication Date: 8/13/2019

Reference Information

CVE: CVE-2019-9511, CVE-2019-9513, CVE-2019-9516

RHSA: 2019:2799