A vulnerability was found in OVN Kubernetes in versions up to and including 0.3.0 where the Egress Firewall does not reliably apply firewall rules when there is multiple DNS rules. It could lead to potentially lose of confidentiality, integrity or availability of a service.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.6 | MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L | 2.2 | 3.4 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-863,CWE-863,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| ovn | ovn-kubernetes | * |
A flaw was found in ovn-kubernetes. This flaw allows a system administrator or privileged attacker to create an egress network policy that bypasses existing ingress policies of other pods in a cluster, allowing network traffic to access pods that should not be reachable. This issue results in information disclosure and other attacks on other pods that should not be reachable.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 9.1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H | 2.3 | 6.0 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-20,NVD-CWE-noinfo,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| ovn | ovn-kubernetes | * |
A flaw was found in Open Virtual Network where the service monitor MAC does not properly rate limit. This issue could allow an attacker to cause a denial of service, including on deployments with CoPP enabled and properly configured.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | 3.9 | 1.4 |
| secalert@redhat.com | 5.3 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L | 3.9 | 1.4 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| ovn | open_virtual_network | * |
| redhat | fast_datapath | - |
| redhat | openshift_container_platform | 4.0 |