Amazon Linux 2 : nghttp2 (ALAS-2018-1020)

Medium Nessus Plugin ID 110193


The remote Amazon Linux 2 host is missing a security update.


nghttp2 version >= 1.10.0 and nghttp2 <= v1.31.0 contains an Improper Input Validation CWE-20 vulnerability in ALTSVC frame handling that can result in segmentation fault leading to denial of service. This attack appears to be exploitable via network client. This vulnerability appears to have been fixed in >= 1.31.1.


Run 'yum update nghttp2' to update your system.

See Also

Plugin Details

Severity: Medium

ID: 110193

File Name: al2_ALAS-2018-1020.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2018/05/30

Updated: 2018/08/31

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

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

CVSS v3.0

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:libnghttp2, p-cpe:/a:amazon:linux:libnghttp2-devel, p-cpe:/a:amazon:linux:nghttp2, p-cpe:/a:amazon:linux:nghttp2-debuginfo, cpe:/o:amazon:linux:2

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

Patch Publication Date: 2018/05/24

Reference Information

CVE: CVE-2018-1000168

ALAS: 2018-1020