Detections
Analytics
RHEL 8 : libssh (RHSA-2024:0538)
medium Nessus Plugin ID 189743
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Synopsis
The remote Red Hat host is missing one or more security updates for libssh.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0538 advisory.- libssh: NULL pointer dereference during rekeying with algorithm guessing (CVE-2023-1667)
- libssh: authorization bypass in pki_verify_data_signature (CVE-2023-2283)
- ssh: Prefix truncation attack on Binary Packet Protocol (BPP) (CVE-2023-48795)
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 RHEL libssh package based on the guidance in RHSA-2024:0538.See Also
http://www.nessus.org/u?1f4f8d6d
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2182199
https://bugzilla.redhat.com/show_bug.cgi?id=2189736
Plugin Details
Severity: Medium
ID: 189743
File Name: redhat-RHSA-2024-0538.nasl
Version: 1.1
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 1/29/2024
Updated: 4/23/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
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
Vulnerability Information
CPE: cpe:/o:redhat:rhel_eus:8.6, p-cpe:/a:redhat:enterprise_linux:libssh, p-cpe:/a:redhat:enterprise_linux:libssh-config, p-cpe:/a:redhat:enterprise_linux:libssh-devel
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 1/29/2024
Vulnerability Publication Date: 5/15/2023