Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : strongSwan vulnerabilities (USN-3771-1)

high Nessus Plugin ID 117805

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Synopsis

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

Description

It was discovered that strongSwan incorrectly handled IKEv2 key derivation. A remote attacker could possibly use this issue to cause strongSwan to crash, resulting in a denial of service.
(CVE-2018-10811)

Sze Yiu Chau discovered that strongSwan incorrectly handled parsing OIDs in the gmp plugin. A remote attacker could possibly use this issue to bypass authorization. (CVE-2018-16151)

Sze Yiu Chau discovered that strongSwan incorrectly handled certain parameters fields in the gmp plugin. A remote attacker could possibly use this issue to bypass authorization. (CVE-2018-16152)

It was discovered that strongSwan incorrectly handled the stroke plugin. A local administrator could use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2018-5388).

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 and / or strongswan packages.

See Also

https://usn.ubuntu.com/3771-1/

Plugin Details

Severity: High

ID: 117805

File Name: ubuntu_USN-3771-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 9/27/2018

Updated: 1/12/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS Score Source: CVE-2018-16152

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:H/A:N

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:libstrongswan, p-cpe:/a:canonical:ubuntu_linux:strongswan, cpe:/o:canonical:ubuntu_linux:14.04, cpe:/o:canonical:ubuntu_linux:16.04, cpe:/o:canonical:ubuntu_linux:18.04:-:lts

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/25/2018

Vulnerability Publication Date: 5/31/2018

Reference Information

CVE: CVE-2018-10811, CVE-2018-16151, CVE-2018-16152, CVE-2018-5388

USN: 3771-1