CVE-2018-1002105
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
In all Kubernetes versions prior to v1.10.11, v1.11.5, and v1.12.3, incorrect handling of error responses to proxied upgrade requests in the kube-apiserver allowed specially crafted requests to establish a connection through the Kubernetes API server to backend servers, then send arbitrary requests over the same connection directly to the backend, authenticated with the Kubernetes API server's TLS credentials used to establish the backend connection.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-1002105
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-1002105.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.17.4-1 |
| debian | bullseye | fixed | 1.17.4-1 |
| debian | forky | fixed | 1.17.4-1 |
| debian | sid | fixed | 1.17.4-1 |
| debian | trixie | fixed | 1.17.4-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/kubernetes/kubernetes | <1.10.11 | 1.10.11 |
| Go | github.com/kubernetes/kubernetes | >=1.11.0,<1.11.5 | 1.11.5 |
| Go | github.com/kubernetes/kubernetes | >=1.12.0,<1.12.3 | 1.12.3 |
References
- https://www.suse.com/security/cve/CVE-2018-1002105.html
- https://nvd.nist.gov/vuln/detail/CVE-2018-1002105
- https://github.com/kubernetes/kubernetes/issues/71411
- https://github.com/kubernetes/kubernetes/commit/2257c1ecbe3c0cf71dd50b82752ae189c94ec905
- https://www.securityfocus.com/bid/106068
- https://www.openwall.com/lists/oss-security/2019/07/06/4
- https://www.openwall.com/lists/oss-security/2019/07/06/3
- https://www.openwall.com/lists/oss-security/2019/06/28/2
- https://www.exploit-db.com/exploits/46053
- https://www.exploit-db.com/exploits/46052
- https://www.coalfire.com/The-Coalfire-Blog/December-2018/Kubernetes-Vulnerability-What-You-Can-Should-Do
- https://security.netapp.com/advisory/ntap-20190416-0001
- https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00041.html
- https://groups.google.com/forum/#!topic/kubernetes-announce/GVllWCg6L88
- https://github.com/evict/poc_CVE-2018-1002105
- https://access.redhat.com/errata/RHSA-2018:3754
- https://access.redhat.com/errata/RHSA-2018:3752
- https://access.redhat.com/errata/RHSA-2018:3742
- https://access.redhat.com/errata/RHSA-2018:3624
- https://access.redhat.com/errata/RHSA-2018:3598
- https://access.redhat.com/errata/RHSA-2018:3551
- https://access.redhat.com/errata/RHSA-2018:3549
- https://access.redhat.com/errata/RHSA-2018:3537
- https://github.com/advisories/GHSA-579h-mv94-g4gp
- https://security-tracker.debian.org/tracker/CVE-2018-1002105
Verify integrity in audit chain (admin only). AS-IS.