openSUSE Security Update : dhcp (openSUSE-2021-834)

high Nessus Plugin ID 150251
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote openSUSE host is missing a security update.

Description

This update for dhcp fixes the following issues :

- CVE-2021-25217: A buffer overrun in lease file parsing code can be used to exploit a common vulnerability shared by dhcpd and dhclient (bsc#1186382)

This update was imported from the SUSE:SLE-15:Update update project.

Solution

Update the affected dhcp packages.

See Also

https://bugzilla.opensuse.org/show_bug.cgi?id=1186382

Plugin Details

Severity: High

ID: 150251

File Name: openSUSE-2021-834.nasl

Version: 1.3

Type: local

Agent: unix

Published: 6/4/2021

Updated: 6/11/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-25217

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

Vector: AV:A/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: 7.4

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: p-cpe:/a:novell:opensuse:dhcp, p-cpe:/a:novell:opensuse:dhcp-client, p-cpe:/a:novell:opensuse:dhcp-client-debuginfo, p-cpe:/a:novell:opensuse:dhcp-debuginfo, p-cpe:/a:novell:opensuse:dhcp-debugsource, p-cpe:/a:novell:opensuse:dhcp-devel, p-cpe:/a:novell:opensuse:dhcp-relay, p-cpe:/a:novell:opensuse:dhcp-relay-debuginfo, p-cpe:/a:novell:opensuse:dhcp-server, p-cpe:/a:novell:opensuse:dhcp-server-debuginfo, cpe:/o:novell:opensuse:15.2

Required KB Items: Host/local_checks_enabled, Host/SuSE/release, Host/SuSE/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/3/2021

Vulnerability Publication Date: 5/26/2021

Reference Information

CVE: CVE-2021-25217