Security Bulletin: Multiple vulnerabilities in Kubernetes affect IBM InfoSphere Information Server

Summary

Multiple vulnerabilities in Kubernetes used by IBM InfoSphere Information Server were addressed.

Vulnerability Details

CVEID:CVE-2021-25745
**DESCRIPTION:**Kubernetes ingress-nginx could allow a remote authenticated attacker to obtain sensitive information, caused by improper access control. By sending a specially-crafted request using the “spec.rules[].http.paths[].path” field of an Ingress object, an attacker could exploit this vulnerability to obtain the credentials of the ingress-nginx controller, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225032 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L)

CVEID:CVE-2021-25746
**DESCRIPTION:**Kubernetes ingress-nginx could allow a remote authenticated attacker to obtain sensitive information, caused by improper access control. By sending a specially-crafted request using the “.metadata.annotations” in an Ingress object, an attacker could exploit this vulnerability to obtain the credentials of the ingress-nginx controller, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/225033 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

Workarounds and Mitigations

None