Detections
Analytics
RHEL 7 : openvswitch2.11 (RHSA-2021:3942)
medium Nessus Plugin ID 154333
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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-2021:3942 advisory.- openvswitch: use-after-free in decode_NXAST_RAW_ENCAP during the decoding of a RAW_ENCAP action (CVE-2021-36980)
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 openvswitch2.11, openvswitch2.11-devel and / or python-openvswitch2.11 packages.See Also
https://access.redhat.com/security/cve/CVE-2021-36980
Plugin Details
Severity: Medium
ID: 154333
File Name: redhat-RHSA-2021-3942.nasl
Version: 1.6
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 10/22/2021
Updated: 5/24/2023
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2021-36980
CVSS v3
Risk Factor: Medium
Base Score: 5.5
Temporal Score: 4.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:openvswitch2.11, p-cpe:/a:redhat:enterprise_linux:openvswitch2.11-devel, p-cpe:/a:redhat:enterprise_linux:python-openvswitch2.11
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: 10/20/2021
Vulnerability Publication Date: 7/20/2021
Reference Information
CVE: CVE-2021-36980