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AlmaLinux 8 : curl (ALSA-2023:3106)

medium Nessus Plugin ID 176128

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-2023:3106 advisory.

 - An authentication bypass vulnerability exists in libcurl <8.0.0 in the FTP connection reuse feature that can result in wrong credentials being used during subsequent transfers. Previously created connections are kept in a connection pool for reuse if they match the current setup. However, certain FTP settings such as CURLOPT_FTP_ACCOUNT, CURLOPT_FTP_ALTERNATIVE_TO_USER, CURLOPT_FTP_SSL_CCC, and CURLOPT_USE_SSL were not included in the configuration match checks, causing them to match too easily. This could lead to libcurl using the wrong credentials when performing a transfer, potentially allowing unauthorized access to sensitive information. (CVE-2023-27535)

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-2023-3106.html

Plugin Details

Severity: Medium

ID: 176128

File Name: alma_linux_ALSA-2023-3106.nasl

Version: 1.1

Type: local

Published: 5/19/2023

Updated: 7/7/2023

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5.4

Temporal Score: 4.2

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

CVSS Score Source: CVE-2023-27535

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: p-cpe:/a:alma:linux:libcurl-minimal, p-cpe:/a:alma:linux:libcurl, cpe:/o:alma:linux:8::sap_hana, cpe:/o:alma:linux:8::nfv, cpe:/o:alma:linux:8::highavailability, cpe:/o:alma:linux:8::powertools, cpe:/o:alma:linux:8::realtime, cpe:/o:alma:linux:8::resilientstorage, cpe:/o:alma:linux:8, cpe:/o:alma:linux:8::baseos, cpe:/o:alma:linux:8::sap, cpe:/o:alma:linux:8::appstream, p-cpe:/a:alma:linux:curl, p-cpe:/a:alma:linux:libcurl-devel, cpe:/o:alma:linux:8::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: 5/16/2023

Vulnerability Publication Date: 3/20/2023

Reference Information

CVE: CVE-2023-27535

CWE: 305

IAVA: 2023-A-0153-S