Detections
Analytics
Amazon Linux 2 : nghttp2 (ALAS-2023-2312)
high Nessus Plugin ID 183205
Language:
Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
The version of nghttp2 installed on the remote host is prior to 1.41.0-1. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2312 advisory.- The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. (CVE-2023-44487)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update nghttp2' and/or 'yum update libnghttp2' to update your system.See Also
https://alas.aws.amazon.com/AL2/ALAS-2023-2312.html
Plugin Details
Severity: High
ID: 183205
File Name: al2_ALAS-2023-2312.nasl
Version: 1.5
Type: local
Agent: unix
Published: 10/17/2023
Updated: 3/22/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.4
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2023-44487
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 7
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:F/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:nghttp2-debuginfo, p-cpe:/a:amazon:linux:libnghttp2, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:nghttp2, p-cpe:/a:amazon:linux:libnghttp2-devel
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 10/16/2023
Vulnerability Publication Date: 10/10/2023
CISA Known Exploited Vulnerability Due Dates: 10/31/2023
Reference Information
CVE: CVE-2023-44487
IAVB: 2023-B-0083-S