Ubuntu 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : strongswan vulnerabilities (USN-3301-1)

Ubuntu Security Notice (C) 2017 Canonical, Inc. / NASL script (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing one or more security-related
patches.

Description :

It was discovered that the strongSwan gmp plugin incorrectly validated
RSA public keys. A remote attacker could use this issue to cause
strongSwan to crash, resulting in a denial of service. (CVE-2017-9022)

It was discovered that strongSwan incorrectly parsed ASN.1 CHOICE
types. A remote attacker could use this issue to cause strongSwan to
hang, resulting in a denial of service. (CVE-2017-9023).

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 libstrongswan, strongswan and / or
strongswan-plugin-gmp packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.7
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 100546 ()

Bugtraq ID:

CVE ID: CVE-2017-9022
CVE-2017-9023

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