RHEL 7 : dhcp (RHSA-2021:2415)
high Nessus Plugin ID 150781
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Synopsis
The remote Red Hat host is missing a security update.Description
The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:2415 advisory.- dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient (CVE-2021-25217)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the affected packages.See Also
https://cwe.mitre.org/data/definitions/119.html
https://access.redhat.com/security/cve/CVE-2021-25217
Plugin Details
Severity: High
ID: 150781
File Name: redhat-RHSA-2021-2415.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 6/15/2021
Updated: 10/7/2021
Dependencies: ssh_get_info.nasl, redhat_repos.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: cpe:/o:redhat:rhel_aus:7.3, p-cpe:/a:redhat:enterprise_linux:dhclient, p-cpe:/a:redhat:enterprise_linux:dhcp, p-cpe:/a:redhat:enterprise_linux:dhcp-common, p-cpe:/a:redhat:enterprise_linux:dhcp-devel, p-cpe:/a:redhat:enterprise_linux:dhcp-libs
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 6/14/2021
Vulnerability Publication Date: 5/26/2021
Reference Information
CVE: CVE-2021-25217