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SUSE SLED15 / SLES15 / openSUSE 15 Security Update : libssh (SUSE-SU-2024:0140-1)

medium Nessus Plugin ID 189214

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Synopsis

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

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:0140-1 advisory.

 Security fixes:

 - CVE-2023-6004: Fixed command injection using proxycommand (bsc#1218209)
 - CVE-2023-48795: Fixed potential downgrade attack using strict kex (bsc#1218126)
 - CVE-2023-6918: Fixed missing checks for return values of MD functions (bsc#1218186)
 - CVE-2023-1667: Fixed NULL dereference during rekeying with algorithm guessing (bsc#1211188)
 - CVE-2023-2283: Fixed possible authorization bypass in pki_verify_data_signature under low-memory conditions (bsc#1211190)

 Other fixes:

 - Update to version 0.9.8
 - Allow @ in usernames when parsing from URI composes

 - Update to version 0.9.7
 - Fix several memory leaks in GSSAPI handling code

Tenable has extracted the preceding description block directly from the SUSE 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-config, libssh-devel, libssh4 and / or libssh4-32bit packages.

See Also

https://bugzilla.suse.com/1211188

https://bugzilla.suse.com/1211190

https://bugzilla.suse.com/1218126

https://bugzilla.suse.com/1218186

https://bugzilla.suse.com/1218209

https://www.suse.com/security/cve/CVE-2023-1667

https://www.suse.com/security/cve/CVE-2023-2283

https://www.suse.com/security/cve/CVE-2023-48795

https://www.suse.com/security/cve/CVE-2023-6004

https://www.suse.com/security/cve/CVE-2023-6918

http://www.nessus.org/u?52224dfd

Plugin Details

Severity: Medium

ID: 189214

File Name: suse_SU-2024-0140-1.nasl

Version: 1.3

Type: Local

Agent: unix

Published: 1/19/2024

Updated: 6/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.39

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2023-2283

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6

Threat Score: 5.3

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2023-48795

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libssh4-32bit, p-cpe:/a:novell:suse_linux:libssh-devel, p-cpe:/a:novell:suse_linux:libssh4, p-cpe:/a:novell:suse_linux:libssh-config, cpe:/o:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/18/2024

Vulnerability Publication Date: 5/15/2023

Reference Information

CVE: CVE-2023-1667, CVE-2023-2283, CVE-2023-48795, CVE-2023-6004, CVE-2023-6918

IAVA: 2023-A-0517-S, 2023-A-0703-S

SuSE: SUSE-SU-2024:0140-1