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AlmaLinux 8 : httpd:2.4/mod_http2 (ALSA-2024:1786)

high Nessus Plugin ID 193281

Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2024:1786 advisory.

 - HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
 (CVE-2024-27316)

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

https://errata.almalinux.org/8/ALSA-2024-1786.html

Plugin Details

Severity: High

ID: 193281

File Name: alma_linux_ALSA-2024-1786.nasl

Version: 1.0

Type: local

Published: 4/12/2024

Updated: 4/12/2024

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2024-27316

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:alma:linux:mod_ssl, p-cpe:/a:alma:linux:mod_proxy_html, cpe:/o:alma:linux:8::appstream, p-cpe:/a:alma:linux:mod_ldap, p-cpe:/a:alma:linux:httpd-devel, p-cpe:/a:alma:linux:httpd, p-cpe:/a:alma:linux:mod_http2, p-cpe:/a:alma:linux:mod_session, p-cpe:/a:alma:linux:httpd-manual, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::supplementary, p-cpe:/a:alma:linux:mod_md, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::sap, p-cpe:/a:alma:linux:httpd-tools, p-cpe:/a:alma:linux:httpd-filesystem

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/11/2024

Vulnerability Publication Date: 4/4/2024

Reference Information

CVE: CVE-2024-27316

CWE: 400