CVE-2020-8553 — External Control of File Name or Path in Kubernetes Ingress-nginx

CWE-73 — External Control of File Name or PathCWE-610 — Externally Controlled Reference to a Resource in Another Sphere4 documents4 sources
Severity
5.9MEDIUMNVD
EPSS
0.5%
top 33.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Kubernetes Ingress-nginxK8s.io Ingress-nginx
Timeline
PublishedJul 29
Latest updateMay 24

Description

The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:NExploitability: 0.7 | Impact: 5.2

Affected Packages3 packages

▶CVEListV5kubernetes/ingress-nginxunspecified — 0.28.0

🔴Vulnerability Details

3
OSV
ingress-nginx component for Kubernetes allows file overwrite↗2022-05-24
▶
GHSA
ingress-nginx component for Kubernetes allows file overwrite↗2022-05-24
▶
CVEList
Kubernetes ingress-nginx Compromise of auth via subset/superset namespace names↗2020-07-29
▶
CVE-2020-8553 — External Control of File Name or Path | cvebase