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AlmaLinux 8 : httpd:2.4 (ALSA-2025:15123)

critical Nessus Plugin ID 261226

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Synopsis

The remote AlmaLinux host is missing one or more security updates.

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:15123 advisory.

 * httpd: insufficient escaping of user-supplied data in mod_ssl (CVE-2024-47252)
 * httpd: mod_ssl: access control bypass by trusted clients is possible using TLS 1.3 session resumption (CVE-2025-23048)
 * httpd: mod_proxy_http2: untrusted input from a client causes an assertion to fail in the Apache mod_proxy_http2 module (CVE-2025-49630)
 * httpd: HTTP Session Hijack via a TLS upgrade (CVE-2025-49812)

Tenable has extracted the preceding description block directly from the AlmaLinux security advisory.

Note that Nessus has not tested for these issues 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-2025-15123.html

https://access.redhat.com/errata/RHSA-2025:15123

Plugin Details

Severity: Critical

ID: 261226

File Name: alma_linux_ALSA-2025-15123.nasl

Version: 1.1

Type: local

Published: 9/4/2025

Updated: 9/4/2025

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2025-23048

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2025

Vulnerability Publication Date: 7/8/2025

Reference Information

CVE: CVE-2024-47252, CVE-2025-23048, CVE-2025-49630, CVE-2025-49812

CWE: 117, 284, 617

RHSA: 2025:15123