Detections
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Linux Distros Unpatched Vulnerability : CVE-2017-9461

medium Nessus Plugin ID 221331

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Synopsis

The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be patched.

Description

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

 - smbd in Samba before 4.4.10 and 4.5.x before 4.5.6 has a denial of service vulnerability (fd_open_atomic infinite loop with high CPU usage and memory consumption) due to wrongly handling dangling symlinks.
 (CVE-2017-9461)

Note that Nessus relies on the presence of the package as reported by the vendor.

Solution

There is no known solution at this time.

See Also

https://access.redhat.com/security/cve/cve-2017-9461

Plugin Details

Severity: Medium

ID: 221331

File Name: unpatched_CVE_2017_9461.nasl

Version: 1.2

Type: local

Agent: unix

Family: Misc.

Published: 3/4/2025

Updated: 9/4/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2017-9461

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/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:redhat:enterprise_linux:samba4-dc-libs, p-cpe:/a:redhat:enterprise_linux:samba4-python, p-cpe:/a:redhat:enterprise_linux:samba4, p-cpe:/a:redhat:enterprise_linux:samba4-winbind-clients, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:samba4-swat, p-cpe:/a:redhat:enterprise_linux:samba4-winbind-krb5-locator, p-cpe:/a:redhat:enterprise_linux:samba4-devel, p-cpe:/a:redhat:enterprise_linux:samba4-dc, p-cpe:/a:redhat:enterprise_linux:samba4-client, p-cpe:/a:redhat:enterprise_linux:samba4-libs, p-cpe:/a:redhat:enterprise_linux:samba4-pidl, p-cpe:/a:redhat:enterprise_linux:samba4-winbind, p-cpe:/a:redhat:enterprise_linux:samba4-test, p-cpe:/a:redhat:enterprise_linux:samba4-common

Required KB Items: Host/local_checks_enabled, Host/cpu, global_settings/vendor_unpatched, Host/OS/identifier

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 2/16/2017

Reference Information

CVE: CVE-2017-9461