RHEL 8 : nghttp2 (RHSA-2020:2755)

high Nessus Plugin ID 137896

Synopsis

The remote Red Hat host is missing a security update for nghttp2.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2755 advisory.

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

Security Fix(es):

* nghttp2: overly large SETTINGS frames can lead to DoS (CVE-2020-11080)

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL nghttp2 package based on the guidance in RHSA-2020:2755.

See Also

http://www.nessus.org/u?ce1ff023

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2020:2755

https://bugzilla.redhat.com/show_bug.cgi?id=1844929

Plugin Details

Severity: High

ID: 137896

File Name: redhat-RHSA-2020-2755.nasl

Version: 1.11

Type: local

Agent: unix

Published: 6/30/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2020-11080

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libnghttp2-devel, p-cpe:/a:redhat:enterprise_linux:libnghttp2, p-cpe:/a:redhat:enterprise_linux:nghttp2, cpe:/o:redhat:rhel_eus:8.2, cpe:/o:redhat:enterprise_linux:8

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: 6/25/2020

Vulnerability Publication Date: 6/3/2020

Reference Information

CVE: CVE-2020-11080

CWE: 770

RHSA: 2020:2755