Vulnerability Details : CVE-2022-31076

KubeEdge is built upon Kubernetes and extends native containerized application orchestration and device management to hosts at the Edge. In affected versions a malicious message can crash CloudCore by triggering a nil-pointer dereference in the UDS Server. Since the UDS Server only communicates with the CSI Driver on the cloud side, the attack is limited to the local host network. As such, an attacker would already need to be an authenticated user of the Cloud. Additionally it will be affected only when users turn on the unixsocket switch in the config file cloudcore.yaml. This bug has been fixed in Kubeedge 1.11.0, 1.10.1, and 1.9.3. Users should update to these versions to resolve the issue. Users unable to upgrade should sisable the unixsocket switch of CloudHub in the config file cloudcore.yaml.
Published 2022-06-27 20:15:09
Updated 2022-07-07 19:28:27
Source GitHub, Inc.
View at NVD,   CVE.org

Products affected by CVE-2022-31076

Exploit prediction scoring system (EPSS) score for CVE-2022-31076

EPSS FAQ
0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 11 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-31076

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
2.7
 LOW AV:A/AC:L/Au:S/C:N/I:N/A:P
5.1
2.9
 NIST
5.7
 MEDIUM CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1
3.6
 NIST
4.2
 MEDIUM CVSS:3.1/AV:A/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
0.5
3.6
 GitHub, Inc.

CWE ids for CVE-2022-31076

  • The product dereferences a pointer that it expects to be valid but is NULL.
    Assigned by: security-advisories@github.com (Primary)

References for CVE-2022-31076

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