Vulnerabilities > CVE-2020-10739 - NULL Pointer Dereference vulnerability in Istio
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
Istio 1.4.x before 1.4.9 and Istio 1.5.x before 1.5.4 contain the following vulnerability when telemetry v2 is enabled: by sending a specially crafted packet, an attacker could trigger a Null Pointer Exception resulting in a Denial of Service. This could be sent to the ingress gateway or a sidecar, triggering a null pointer exception which results in a denial of service. This also affects servicemesh-proxy where a null pointer exception flaw was found in servicemesh-proxy. When running Telemetry v2 (not on by default in version 1.4.x), an attacker could send a specially crafted packet to the ingress gateway or proxy sidecar, triggering a denial of service.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 25 |
Common Weakness Enumeration (CWE)
Nessus
| NASL family | Red Hat Local Security Checks |
| NASL id | REDHAT-RHSA-2020-2148.NASL |
| description | The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2148 advisory. - istio/envoy: crafted packet allows remote attacker to cause denial of service (CVE-2020-10739) Note that Nessus has not tested for this issue but has instead relied only on the application |
| last seen | 2020-06-04 |
| modified | 2020-05-14 |
| plugin id | 136586 |
| published | 2020-05-14 |
| reporter | This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof. |
| source | https://www.tenable.com/plugins/nessus/136586 |
| title | RHEL 8 : Red Hat OpenShift Service Mesh 1.1.2 Service Mesh Proxy (RHSA-2020:2148) |
Redhat
| rpms | servicemesh-proxy-0:1.1.2-2.el8 |