Detections
Analytics
RHEL 8 : wpa_supplicant (RHSA-2021:0809)
high Nessus Plugin ID 147706
Language:
Synopsis
The remote Red Hat host is missing a security update for wpa_supplicant.Description
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:0809 advisory.The wpa_supplicant packages contain an 802.1X Supplicant with support for WEP, WPA, WPA2 (IEEE 802.11i / RSN), and various EAP authentication methods. They implement key negotiation with a WPA Authenticator for client stations and controls the roaming and IEEE 802.11 authentication and association of the WLAN driver.
Security Fix(es):
* wpa_supplicant: Use-after-free in P2P provision discovery processing (CVE-2021-27803)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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 RHEL wpa_supplicant package based on the guidance in RHSA-2021:0809.See Also
http://www.nessus.org/u?2d1f3aec
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 147706
File Name: redhat-RHSA-2021-0809.nasl
Version: 1.13
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 3/11/2021
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.9
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Medium
Base Score: 5.4
Temporal Score: 4
Vector: CVSS2#AV:A/AC:M/Au:N/C:P/I:P/A:P
CVSS Score Source: CVE-2021-27803
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:wpa_supplicant, cpe:/o:redhat:enterprise_linux:8
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: 3/11/2021
Vulnerability Publication Date: 2/26/2021
Reference Information
CVE: CVE-2021-27803