Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.5 packages
| 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-kuryr (Red Hat package) Operating systems & Components / Operating system package or component openshift (Red Hat package) Operating systems & Components / Operating system package or component machine-config-daemon (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) 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
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
openshift-kuryr (Red Hat package): before 4.5.0-202012022006.p0.git.2002.19b85d0.el8
openshift (Red Hat package): before 4.5.0-202012040353.p0.git.0.c2c4083.el7
machine-config-daemon (Red Hat package): before 4.5.0-202012050338.p0.git.2581.e7a62a7.el8
Red Hat OpenShift Container Platform: before 4.5.23
CPE2.3- cpe:2.3:a:red_hat:openshift-kuryr_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:openshift_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:machine-config-daemon_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:red_hat_openshift_container_platform:*:*:*:*:*:*:*:*
https://access.redhat.com/errata/RHBA-2020:5356
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
DescriptionThe 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.
MitigationInstall updates from vendor's website.
openshift-kuryr (Red Hat package): before 4.5.0-202012022006.p0.git.2002.19b85d0.el8
openshift (Red Hat package): before 4.5.0-202012040353.p0.git.0.c2c4083.el7
machine-config-daemon (Red Hat package): before 4.5.0-202012050338.p0.git.2581.e7a62a7.el8
Red Hat OpenShift Container Platform: before 4.5.23
CPE2.3- cpe:2.3:a:red_hat:openshift-kuryr_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:openshift_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
- cpe:2.3:a:red_hat:machine-config-daemon_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
https://access.redhat.com/errata/RHBA-2020:5356
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.
