RHEL 8 : nghttp2 (RHSA-2019:2692) (Data Dribble) (Resource Loop)

high Nessus Plugin ID 128627

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for nghttp2 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.

libnghttp2 is a library implementing the Hypertext Transfer Protocol version 2 (HTTP/2) protocol in C.

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)

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 packages.

See Also

https://access.redhat.com/errata/RHSA-2019:2692

https://access.redhat.com/security/cve/cve-2019-9511

https://access.redhat.com/security/cve/cve-2019-9513

Plugin Details

Severity: High

ID: 128627

File Name: redhat-RHSA-2019-2692.nasl

Version: 1.6

Type: local

Agent: unix

Published: 9/10/2019

Updated: 1/30/2020

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, 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:redhat:enterprise_linux:libnghttp2, p-cpe:/a:redhat:enterprise_linux:libnghttp2-debuginfo, p-cpe:/a:redhat:enterprise_linux:libnghttp2-devel, p-cpe:/a:redhat:enterprise_linux:nghttp2, p-cpe:/a:redhat:enterprise_linux:nghttp2-debuginfo, p-cpe:/a:redhat:enterprise_linux:nghttp2-debugsource, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:8.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/9/2019

Vulnerability Publication Date: 8/13/2019

Reference Information

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

RHSA: 2019:2692