Multiple vulnerabilities in Red Hat Virtualization



| Updated: 2021-09-29
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-23337
CVE-2020-28500
CWE-ID CWE-77
CWE-185
Exploitation vector Network
Public exploit N/A
Vulnerable software
 ovirt-hosted-engine-ha (Red Hat package)
Operating systems & Components / Operating system package or component

cockpit-ovirt (Red Hat package)
Operating systems & Components / Operating system package or component

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

ovirt-hosted-engine-setup (Red Hat package)
Operating systems & Components / Operating system package or component

ovirt-host (Red Hat package)
Operating systems & Components / Operating system package or component

Red Hat Virtualization Host
Web applications / Remote management & hosting panels

Red Hat Virtualization for IBM Power LE
Server applications / Virtualization software

Red Hat Virtualization
Server applications / Virtualization software

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Command Injection

EUVDB-ID: #VU53202

Risk: Medium

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-23337

CWE-ID: CWE-77 - Command injection

Exploit availability: No

Description

The vulnerability allows a remote user to execute arbitrary commands on the system.

The vulnerability exists due to improper input validation when processing templates. A remote privileged user can inject and execute arbitrary commands on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ovirt-hosted-engine-ha (Red Hat package): 2.4.7-1.el8ev

cockpit-ovirt (Red Hat package): 0.15.0-2.el8ev

Red Hat Virtualization Host: 4

Red Hat Virtualization for IBM Power LE: 4

Red Hat Virtualization: 4

vdsm (Red Hat package): before 4.40.80.5-1.el8ev

ovirt-hosted-engine-setup (Red Hat package): before 2.5.3-1.el8ev

ovirt-host (Red Hat package): before 4.4.8-2.el8ev

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:3459


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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

2) Incorrect Regular Expression

EUVDB-ID: #VU54394

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-28500

CWE-ID: CWE-185 - Incorrect Regular Expression

Exploit availability: No

Description

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

The vulnerability exists due to insufficient input validation when processing regular expressions. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ovirt-hosted-engine-ha (Red Hat package): 2.4.7-1.el8ev

cockpit-ovirt (Red Hat package): 0.15.0-2.el8ev

Red Hat Virtualization Host: 4

Red Hat Virtualization for IBM Power LE: 4

Red Hat Virtualization: 4

vdsm (Red Hat package): before 4.40.80.5-1.el8ev

ovirt-hosted-engine-setup (Red Hat package): before 2.5.3-1.el8ev

ovirt-host (Red Hat package): before 4.4.8-2.el8ev

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:3459


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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