Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in Kubernetes ingress-nginx

Summary

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

Vulnerability Details

CVEID:CVE-2022-4886
**DESCRIPTION:**Kubernetes could allow a remote authenticated attacker to obtain sensitive information, caused by a flaw with path sanitization can be bypassed with log_format directive. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain credentials information, and use this information to launch further attacks against the affected system.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/269570 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)

CVEID:CVE-2023-5043
**DESCRIPTION:**Kubernetes ingress-nginx could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by improper input validation by the nginx.ingress.kubernetes.io/configuration-snippet annotation injection. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVSS Base score: 7.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/269574 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-2023-5044
**DESCRIPTION:**Kubernetes ingress-nginx could allow a remote authenticated attacker to execute arbitrary commands on the system, caused by improper input validation by the nginx.ingress.kubernetes.io/permanent-redirect annotation. By sending a specially crafted request, an attacker could exploit this vulnerability to execute arbitrary commands on the system.
CVSS Base score: 7.6
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/269578 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

--Apply IBM InfoSphere Information Server version 11.7.1.0
--Apply InfoSphere Information Server version 11.7.1.4
--Apply InfoSphere Information Server 11.7.1.4 Service pack 2
--Apply InfoSphere Information Server Microservices tier patch

Workarounds and Mitigations

None