Detections
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Oracle Linux 8 : libssh (ELSA-2021-4387)

medium Nessus Plugin ID 155436

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Synopsis

The remote Oracle Linux host is missing a security update.

Description

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-4387 advisory.

 [0.9.4-3]
 - Fix CVE-2020-16135 NULL pointer dereference in sftpserver.c if ssh_buffer_new returns NULL (#1862646)

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

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 libssh, libssh-config and / or libssh-devel packages.

See Also

https://linux.oracle.com/errata/ELSA-2021-4387.html

Plugin Details

Severity: Medium

ID: 155436

File Name: oraclelinux_ELSA-2021-4387.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/17/2021

Updated: 11/2/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2020-16135

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:N/I:N/A:H

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

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:libssh-devel, p-cpe:/a:oracle:linux:libssh, p-cpe:/a:oracle:linux:libssh-config, cpe:/o:oracle:linux:8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/16/2021

Vulnerability Publication Date: 7/29/2020

Reference Information

CVE: CVE-2020-16135