Virtuozzo 7 : readykernel-patch (VZA-2018-036)

Medium Nessus Plugin ID 110233

Synopsis

The remote Virtuozzo host is missing a security update.

Description

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerability :

- It was found that _sctp_make_chunk() function did not check if the chunk length for INIT and INIT_ACK packets was within the allowed limits. A local attacker could exploit this to trigger a kernel crash.

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

Solution

Update the readykernel patch.

See Also

https://help.virtuozzo.com/customer/portal/articles/2941802

https://access.redhat.com/security/cve/cve-2018-5803

http://www.nessus.org/u?2b4db7cb

http://www.nessus.org/u?0a9c5d7d

http://www.nessus.org/u?edba2ede

Plugin Details

Severity: Medium

ID: 110233

File Name: Virtuozzo_VZA-2018-036.nasl

Version: 1.5

Type: local

Published: 2018/05/31

Updated: 2019/01/14

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 4.9

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

CVSS v3.0

Base Score: 5.5

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

Vulnerability Information

CPE: p-cpe:/a:virtuozzo:virtuozzo:readykernel, cpe:/o:virtuozzo:virtuozzo:7

Required KB Items: Host/local_checks_enabled, Host/Virtuozzo/release, Host/Virtuozzo/rpm-list, Host/readykernel-info

Patch Publication Date: 2018/05/30

Reference Information

CVE: CVE-2018-5803