Oracle Linux 8 : mod_auth_openidc:2.3 (ELSA-2023-6940)

medium Nessus Plugin ID 186092

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-6940 advisory.

- mod_auth_openidc is an OpenID Certified authentication and authorization module for the Apache 2.x HTTP server. Versions prior to 2.4.12.2 are vulnerable to Open Redirect. When providing a logout parameter to the redirect URI, the existing code in oidc_validate_redirect_url() does not properly check for URLs that start with /\t, leading to an open redirect. This issue has been patched in version 2.4.12.2. Users unable to upgrade can mitigate the issue by configuring mod_auth_openidc to only allow redirection when the destination matches a given regular expression with OIDCRedirectURLsAllowed. (CVE-2022-23527)

- mod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP server that implements the OpenID Connect Relying Party functionality. In versions 2.0.0 through 2.4.13.1, when `OIDCStripCookies` is set and a crafted cookie supplied, a NULL pointer dereference would occur, resulting in a segmentation fault. This could be used in a Denial-of-Service attack and thus presents an availability risk. Version 2.4.13.2 contains a patch for this issue. As a workaround, avoid using `OIDCStripCookies`. (CVE-2023-28625)

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 cjose, cjose-devel and / or mod_auth_openidc packages.

Plugin Details

Severity: Medium

ID: 186092

File Name: oraclelinux_ELSA-2023-6940.nasl

Version: 1.0

Type: local

Agent: unix

Family: Oracle Linux Local Security Checks

Published: 11/21/2023

Updated: 11/21/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2022-23527

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: cpe:/a:oracle:linux:8:9:appstream_base, cpe:/a:oracle:linux:8::appstream, cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:cjose, p-cpe:/a:oracle:linux:cjose-devel, p-cpe:/a:oracle:linux:mod_auth_openidc

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/18/2023

Vulnerability Publication Date: 12/14/2022

Reference Information

CVE: CVE-2022-23527, CVE-2023-28625

Detections

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