Multiple vulnerabilities in Red Hat Virtualization
| 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 Subscribe |
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
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-23337
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe 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.
Install updates from vendor's website.
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
External linkshttp://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
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-28500
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe 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.
Install updates from vendor's website.
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
External linkshttp://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.
