Detections
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Linux Distros Unpatched Vulnerability : CVE-2018-5389
medium Nessus Plugin ID 221886
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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.- The Internet Key Exchange v1 main mode is vulnerable to offline dictionary or brute force attacks. Reusing a key pair across different versions and modes of IKE could lead to cross-protocol authentication bypasses. It is well known, that the aggressive mode of IKEv1 PSK is vulnerable to offline dictionary or brute force attacks. For the main mode, however, only an online attack against PSK authentication was thought to be feasible. This vulnerability could allow an attacker to recover a weak Pre-Shared Key or enable the impersonation of a victim host or network. (CVE-2018-5389)
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-2018-5389
Plugin Details
Severity: Medium
ID: 221886
File Name: unpatched_CVE_2018_5389.nasl
Version: 1.3
Type: local
Agent: unix
Family: Misc.
Published: 3/4/2025
Updated: 8/12/2025
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: 4.3
Temporal Score: 3.4
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2018-5389
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:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:debian:debian_linux:11.0, p-cpe:/a:centos:centos:openswan, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:debian:debian_linux:libreswan, p-cpe:/a:canonical:ubuntu_linux:strongswan, cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:centos:centos:ipsec-tools, p-cpe:/a:redhat:enterprise_linux:libreswan, p-cpe:/a:canonical:ubuntu_linux:isakmpd, p-cpe:/a:redhat:enterprise_linux:ipsec-tools, cpe:/o:debian:debian_linux:12.0, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:centos:centos:8, cpe:/o:redhat:enterprise_linux:8, cpe:/o:debian:debian_linux:13.0, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ipsec-tools, cpe:/o:redhat:enterprise_linux:5, p-cpe:/a:centos:centos:libreswan, p-cpe:/a:redhat:enterprise_linux:openswan, p-cpe:/a:canonical:ubuntu_linux:libreswan, p-cpe:/a:debian:debian_linux:strongswan, cpe:/o:centos:centos:7, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:redhat:enterprise_linux:7, cpe:/o:canonical:ubuntu_linux:22.04:-:lts
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: 8/19/2018
Reference Information
CVE: CVE-2018-5389