Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.7
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-21670 CVE-2021-21671 |
| CWE-ID | CWE-264 CWE-384 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
cri-o (Red Hat package) Operating systems & Components / Operating system package or component jenkins (Red Hat package) Operating systems & Components / Operating system package or component Red Hat OpenShift Container Platform Client/Desktop applications / Software for system administration |
| Vendor | Red Hat Inc. |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Permissions, Privileges, and Access Controls
EUVDB-ID: #VU54491
Risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-21670
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions. A remote authenticated attacker can cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.
MitigationInstall updates from vendor's website.
cri-o (Red Hat package): 1.20.4-4.rhaos4.7.gitf7276ed.el7 - 1.20.4-7.rhaos4.7.git6287500.el8
Red Hat OpenShift Container Platform: 4.7.0 - 4.7.23
jenkins (Red Hat package): before 2.289.2.1628252553-1.el8
CPE2.3- cpe:2.3:a:red_hat:cri-o_redhat_package:1.20.4-4.rhaos4.7.gitf7276ed.el7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:cri-o_redhat_package:1.20.4-4.rhaos4.7.gitf7276ed.el8:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:cri-o_redhat_package:1.20.4-7.rhaos4.7.git6287500.el7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:jenkins_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHBA-2021:3033
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Session Fixation
EUVDB-ID: #VU54492
Risk: Medium
CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-21671
CWE-ID:
CWE-384 - Session Fixation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the affected product does not invalidate the existing session on login. A remote attacker can use social engineering techniques to gain administrator access to Jenkins.
MitigationInstall updates from vendor's website.
cri-o (Red Hat package): 1.20.4-4.rhaos4.7.gitf7276ed.el7 - 1.20.4-7.rhaos4.7.git6287500.el8
Red Hat OpenShift Container Platform: 4.7.0 - 4.7.23
jenkins (Red Hat package): before 2.289.2.1628252553-1.el8
CPE2.3- cpe:2.3:a:red_hat:cri-o_redhat_package:1.20.4-4.rhaos4.7.gitf7276ed.el7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:cri-o_redhat_package:1.20.4-4.rhaos4.7.gitf7276ed.el8:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:cri-o_redhat_package:1.20.4-7.rhaos4.7.git6287500.el7:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:4.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:red_hat:jenkins_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHBA-2021:3033
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.
