Security Bulletin: Vulnerability in the Flask repo may affect affect IBM Elastic Storage System (CVE-2023-30861)

Summary

There is a vulnerability in the flask repo, used by IBM Elastic Storage System, which could allow a remote attacker to obtain sensitive information.

Vulnerability Details

CVEID:CVE-2023-30861
**DESCRIPTION:**Pallets Flask could allow a remote attacker to obtain sensitive information, caused by missing Vary: Cookie header. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain permanent session cookie information, and use this information to launch further attacks against the affected system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/254247 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM recommends that you fix this vulnerability by upgrading affected versions of IBM Elastic Storage System 3000, 3200, 3500 and 5000 to the following code levels or higher:

V6.1.8.1

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Elastic+Storage+Server+(ESS)&release=6.1.8&platform=All&function=all

Workarounds and Mitigations

None