CVE-2020-8554
MEDIUM5.0EPSS 25.3%Unverified Ownership in Kubernetes
發布日:2022/2/8修改日:2026/4/28
描述
Kubernetes API server in all versions allow an attacker who is able to create a ClusterIP service and set the spec.externalIPs field, to intercept traffic to that IP address. Additionally, an attacker who is able to patch the status (which is considered a privileged operation and should not typically be granted to users) of a LoadBalancer service can set the status.loadBalancer.ingress.ip to similar effect.
受影響套件(2)
- Debian/kubernetesfrom 0, < 1.31.4+ds-1
- Go/k8s.io/kubernetesfrom 0, <= 1.22.0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.0 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L |
參考連結(13)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-8554
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2020-8554
- PATCHhttps://github.com/kubernetes/kubernetes
- WEBhttps://github.com/kubernetes/kubernetes/issues/97076
- WEBhttps://github.com/kubernetes/kubernetes/issues/97110
- WEBhttps://groups.google.com/g/kubernetes-security-announce/c/iZWsF9nbKE8
- WEBhttps://lists.apache.org/thread.html/r0c76b3d0be348f788cd947054141de0229af00c540564711e828fd40@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/r1975078e44d96f2a199aa90aa874b57a202eaf7f25f2fde6d1c44942@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/rcafa485d63550657f068775801aeb706b7a07140a8ebbdef822b3bb3@%3Ccommits.druid.apache.org%3E
- WEBhttps://lists.apache.org/thread.html/rdb223e1b82e3d7d8e4eaddce8dd1ab87252e3935cc41c859f49767b6@%3Ccommits.druid.apache.org%3E
- WEBhttps://www.oracle.com/security-alerts/cpuapr2022.html
- WEBhttps://www.oracle.com/security-alerts/cpujan2022.html
- WEBhttps://www.oracle.com//security-alerts/cpujul2021.html