Ubuntu 14.04 LTS : strongSwan vulnerability (USN-2811-1)

medium Nessus Plugin ID 86896

Synopsis

The remote Ubuntu host is missing a security update.

Description

It was discovered that the strongSwan eap-mschapv2 plugin incorrectly handled state. A remote attacker could use this issue to bypass authentication.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-2811-1

Plugin Details

Severity: Medium

ID: 86896

File Name: ubuntu_USN-2811-1.nasl

Version: 2.10

Type: local

Agent: unix

Published: 11/17/2015

Updated: 10/20/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2015-8023

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/16/2015

Vulnerability Publication Date: 11/18/2015

Reference Information

CVE: CVE-2015-8023

USN: 2811-1