Detections
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RHEL 8 : Red Hat OpenShift Service Mesh 1.0 servicemesh-proxy (RHSA-2020:2864)
high Nessus Plugin ID 138185
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Synopsis
The remote Red Hat host is missing one or more security updates.Description
The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:2864 advisory.- envoy: Resource exhaustion when proxying HTTP/2 requests or responses with small data frames (CVE-2020-12603)
- envoy: Resource exhaustion via HTTP/2 client requests with large payloads and improper stream windows (CVE-2020-12604)
- envoy: Resource exhaustion when processing HTTP/1.1 headers with long field names (CVE-2020-12605)
- envoy: Resource exhaustion when accepting too many connections (CVE-2020-8663)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update the affected servicemesh-proxy package.See Also
https://access.redhat.com/security/cve/CVE-2020-8663
https://access.redhat.com/security/cve/CVE-2020-12603
https://access.redhat.com/security/cve/CVE-2020-12604
https://access.redhat.com/security/cve/CVE-2020-12605
https://access.redhat.com/errata/RHSA-2020:2864
https://bugzilla.redhat.com/1844251
https://bugzilla.redhat.com/1844252
Plugin Details
Severity: High
ID: 138185
File Name: redhat-RHSA-2020-2864.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 7/7/2020
Updated: 1/23/2023
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: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS Score Source: CVE-2020-8663
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:8, p-cpe:/a:redhat:enterprise_linux:servicemesh-proxy
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: 7/7/2020
Vulnerability Publication Date: 7/1/2020
Reference Information
CVE: CVE-2020-12603, CVE-2020-12604, CVE-2020-12605, CVE-2020-8663