Detections
Analytics
AlmaLinux 9 : nginx (ALSA-2023:5711)
high Nessus Plugin ID 183216
Synopsis
The remote AlmaLinux host is missing a security update.Description
The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:5711 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
Update the affected packages.See Also
Plugin Details
Severity: High
ID: 183216
File Name: alma_linux_ALSA-2023-5711.nasl
Version: 1.3
Type: local
Family: Alma Linux Local Security Checks
Published: 10/17/2023
Updated: 2/23/2024
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.1
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:alma:linux:nginx, p-cpe:/a:alma:linux:nginx-all-modules, p-cpe:/a:alma:linux:nginx-core, p-cpe:/a:alma:linux:nginx-filesystem, p-cpe:/a:alma:linux:nginx-mod-devel, p-cpe:/a:alma:linux:nginx-mod-http-image-filter, p-cpe:/a:alma:linux:nginx-mod-http-perl, p-cpe:/a:alma:linux:nginx-mod-http-xslt-filter, p-cpe:/a:alma:linux:nginx-mod-mail, p-cpe:/a:alma:linux:nginx-mod-stream, cpe:/o:alma:linux:9, cpe:/o:alma:linux:9::appstream, cpe:/o:alma:linux:9::baseos, cpe:/o:alma:linux:9::crb, cpe:/o:alma:linux:9::highavailability, cpe:/o:alma:linux:9::nfv, cpe:/o:alma:linux:9::realtime, cpe:/o:alma:linux:9::resilientstorage, cpe:/o:alma:linux:9::sap, cpe:/o:alma:linux:9::sap_hana, cpe:/o:alma:linux:9::supplementary
Required KB Items: Host/local_checks_enabled, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list, Host/cpu
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