4.1.0 -> 4.1-ESV-R15, 4.2.0 -> 4.2.8, 4.3.0 -> 4.3.6, 4.4.0 Multiple Vulnerabilities

high Nessus Plugin ID 107223
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Synopsis

The DHCP server installed on the remote Linux host is affected by a buffer overflow vulnerability and a potential DoS.

Description

The DHCP server version installed on the remote host is 4.1.0 to 4.1-ESV-R15, or 4.2.0 to 4.2.8, or 4.3.0 to 4.3.6, or 4.4.0.
It is, therefore, vulnerable to a denial of service condition with in the omapi_connection_writer() function of the omapip/buffer.c script due to improper handling of an empty message. A local attacker could potentially exhaust the available descriptors.

Solution

Please refer to the vendor's advisory.

See Also

https://kb.isc.org/article/AA-01565

https://kb.isc.org/article/AA-01567

Plugin Details

Severity: High

ID: 107223

File Name: isc_dhcp_AA-01565_AA-01567.nasl

Version: 1.4

Type: local

Family: Misc.

Published: 3/8/2018

Updated: 7/10/2020

Dependencies: dhcp_detect.nbin

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2018-5733

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:N/A:P

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

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

Vulnerability Information

CPE: cpe:/a:isc:dhcp

Required KB Items: dhcp_server/type, dhcp_server/version, Settings/ParanoidReport

Exploit Ease: No known exploits are available

Patch Publication Date: 2/28/2018

Vulnerability Publication Date: 2/28/2018

Reference Information

CVE: CVE-2018-5732, CVE-2018-5733

BID: 103187, 103188

IAVB: 2018-B-0034-S