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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : strongSwan vulnerability (USN-3774-1)

high Nessus Plugin ID 117868

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3774-1 advisory.

 It was discovered that strongSwan incorrectly handled signature validation in the gmp plugin. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly execute arbitrary code.

Tenable has extracted the preceding description block directly from the Ubuntu 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 packages.

See Also

https://ubuntu.com/security/notices/USN-3774-1

Plugin Details

Severity: High

ID: 117868

File Name: ubuntu_USN-3774-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 10/2/2018

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2018-17540

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-simaka-sql, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-sql, p-cpe:/a:canonical:ubuntu_linux:strongswan-ikev1, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-ipseckey, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-coupling, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-tls, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-md5, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-sim-file, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-mschapv2, p-cpe:/a:canonical:ubuntu_linux:strongswan-tnc-base, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-sim-pcsc, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-attr-sql, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-radattr, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-xauth-pam, p-cpe:/a:canonical:ubuntu_linux:strongswan-tnc-server, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-sshkey, p-cpe:/a:canonical:ubuntu_linux:strongswan-starter, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-unbound, p-cpe:/a:canonical:ubuntu_linux:strongswan-tnc-client, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-aka-3gpp2, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-certexpire, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-farp, p-cpe:/a:canonical:ubuntu_linux:strongswan-ike, p-cpe:/a:canonical:ubuntu_linux:strongswan-nm, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-openssl, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-unity, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-sim, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-ldap, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-tnc, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-aka, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-ttls, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-systime-fix, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-pubkey, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-gcrypt, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-xauth-generic, p-cpe:/a:canonical:ubuntu_linux:charon-systemd, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-af-alg, p-cpe:/a:canonical:ubuntu_linux:libstrongswan-standard-plugins, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-xauth-noauth, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-dynamic, p-cpe:/a:canonical:ubuntu_linux:libcharon-extra-plugins, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-whitelist, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-pgp, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-gmp, p-cpe:/a:canonical:ubuntu_linux:strongswan-libcharon, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-error-notify, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libcharon-standard-plugins, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-mysql, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-sqlite, p-cpe:/a:canonical:ubuntu_linux:strongswan-pki, p-cpe:/a:canonical:ubuntu_linux:libstrongswan-extra-plugins, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-radius, p-cpe:/a:canonical:ubuntu_linux:strongswan-scepclient, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-led, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-fips-prf, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-simaka-reauth, p-cpe:/a:canonical:ubuntu_linux:strongswan-charon, p-cpe:/a:canonical:ubuntu_linux:strongswan, p-cpe:/a:canonical:ubuntu_linux:strongswan-pt-tls-client, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-dnskey, p-cpe:/a:canonical:ubuntu_linux:charon-cmd, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-dnscert, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-pkcs11, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-lookip, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-load-tester, p-cpe:/a:canonical:ubuntu_linux:libstrongswan, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-agent, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-duplicheck, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-simaka-pseudonym, p-cpe:/a:canonical:ubuntu_linux:strongswan-tnc-ifmap, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-dhcp, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-xauth-eap, p-cpe:/a:canonical:ubuntu_linux:strongswan-swanctl, p-cpe:/a:canonical:ubuntu_linux:strongswan-tnc-pdp, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-peap, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-eap-gtc, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-curl, p-cpe:/a:canonical:ubuntu_linux:strongswan-ikev2, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-soup, p-cpe:/a:canonical:ubuntu_linux:strongswan-plugin-ntru

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 10/1/2018

Vulnerability Publication Date: 10/3/2018

Reference Information

CVE: CVE-2018-17540

USN: 3774-1