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Oracle Linux 8 : libssh (ELSA-2024-3233)

medium Nessus Plugin ID 198033

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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-2024-3233 advisory.

 - Fix CVE-2023-48795 Prefix truncation attack on Binary Packet Protocol (BPP)
 - Fix CVE-2023-6918 Missing checks for return values for digests
 - Fix CVE-2023-6004 ProxyCommand/ProxyJump features allow injection of malicious code through hostname
 - Fix NULL dereference during rekeying with algorithm guessing GHSL-2023-032 / CVE-2023-1667
 - Fix possible authentication bypass GHSL 2023-085 / CVE-2023-2283
 - Fix CVE-2021-3634: Fix possible heap-buffer overflow when rekeying with different key exchange mechanism
 - Fix CVE-2021-3634: Fix possible heap-buffer overflow when rekeying with different key exchange mechanism (#1978810)
 - Fix CVE-2020-16135 NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL (#1862646)
 - Add a test for CVE-2019-14889
 - Fixed CVE-2019-14889 (#1781782)
 - Fixed CVE-2020-1730 (#1802422)
 - Fix more regressions introduced by the fixes for CVE-2018-10933
 - Fix regressions introduced by the fixes for CVE-2018-10933
 - resolves: #1311259 - Fix CVE-2016-0739
 - resolves: #1311332 - Update to version 0.7.3
 * Fixed CVE-2016-0739
 * Fixed ssh-agent on big endian
 * Fixed some documentation issues
 - resolves: #1213775 - Security fix for CVE-2015-3146
 - resolves: #1218076 - Security fix for CVE-2015-3146
 - Security fix for CVE-2014-8132.
 - Fix CVE-2014-0017.
 - CVE-2013-0176 (#894407)

Tenable has extracted the preceding description block directly from the Oracle Linux 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 libssh, libssh-config and / or libssh-devel packages.

See Also

https://linux.oracle.com/errata/ELSA-2024-3233.html

Plugin Details

Severity: Medium

ID: 198033

File Name: oraclelinux_ELSA-2024-3233.nasl

Version: 1.3

Type: local

Agent: unix

Published: 5/28/2024

Updated: 11/2/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2023-6004

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

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

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

Vulnerability Information

CPE: cpe:/a:oracle:linux:8:10:appstream_base, p-cpe:/a:oracle:linux:libssh-devel, cpe:/o:oracle:linux:8::baseos_latest, cpe:/a:oracle:exadata_dbserver:23.1.18.0.0::ol8, p-cpe:/a:oracle:linux:libssh-config, cpe:/a:oracle:exadata_dbserver:23.1.17.0.0::ol8, cpe:/a:oracle:exadata_dbserver:24.1.3.0.0::ol8, cpe:/a:oracle:exadata_dbserver:23.1.16.0.0::ol8, cpe:/o:oracle:linux:8, cpe:/o:oracle:linux:8:10:baseos_base, p-cpe:/a:oracle:linux:libssh, cpe:/a:oracle:linux:8::appstream, cpe:/a:oracle:exadata_dbserver:24.1.2.0.0::ol8, cpe:/a:oracle:exadata_dbserver:24.1.4.0.0::ol8

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/23/2024

Vulnerability Publication Date: 12/19/2023

Reference Information

CVE: CVE-2023-6004, CVE-2023-6918

IAVA: 2023-A-0703