Multiple vulnerabilities in Red Hat OpenShift Service Mesh



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2020-15586
CVE-2020-16845
CWE-ID CWE-362
CWE-835
Exploitation vector Network
Public exploit N/A
Vulnerable software
 OpenShift Service Mesh
Server applications / Virtualization software

servicemesh-prometheus (Red Hat package)
Operating systems & Components / Operating system package or component

servicemesh-cni (Red Hat package)
Operating systems & Components / Operating system package or component

servicemesh-operator (Red Hat package)
Operating systems & Components / Operating system package or component

servicemesh-grafana (Red Hat package)
Operating systems & Components / Operating system package or component

servicemesh (Red Hat package)
Operating systems & Components / Operating system package or component

ior (Red Hat package)
Operating systems & Components / Operating system package or component

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Race condition

EUVDB-ID: #VU31891

Risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-15586

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler. A remote attacker can exploit the race and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenShift Service Mesh: 1.1.0 - 1.1.10

servicemesh-prometheus (Red Hat package): 2.7.2-5.el8 - 2.7.2-36.el8

servicemesh-cni (Red Hat package): 0.12.0-6.el8 - 1.0.11-1.el8

servicemesh-operator (Red Hat package): 0.11.0-8.el8 - 1.0.10-2.el8

servicemesh-grafana (Red Hat package): 6.2.2-4.el8 - 6.2.2-33.el8

servicemesh (Red Hat package): 0.11.0-8.el8 - 1.0.10-1.el8

ior (Red Hat package): 0.11.0-2.el8 - 0.12.0-7.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2020:5649


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Infinite loop

EUVDB-ID: #VU45699

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-16845

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop in "ReadUvarint" and "ReadVarint" in "encoding/binary". A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

OpenShift Service Mesh: 1.1.0 - 1.1.10

servicemesh-prometheus (Red Hat package): 2.7.2-5.el8 - 2.7.2-36.el8

servicemesh-cni (Red Hat package): 0.12.0-6.el8 - 1.0.11-1.el8

servicemesh-operator (Red Hat package): 0.11.0-8.el8 - 1.0.10-2.el8

servicemesh-grafana (Red Hat package): 6.2.2-4.el8 - 6.2.2-33.el8

servicemesh (Red Hat package): 0.11.0-8.el8 - 1.0.10-1.el8

ior (Red Hat package): 0.11.0-2.el8 - 0.12.0-7.el8

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2020:5649


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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