Security Bulletin
Summary
A flaw in the file permissions may expose IPMI user passwords. This may lead to privilege escalations.
Vulnerability Details
CVEID: CVE-2020-14156
DESCRIPTION: OpenBMC phosphor-host-ipmid could allow a remote authenticated attacker to bypass security restrictions, caused by the failure to ensure that /etc/ipmi-pass has strong file permissions by user_channel/passwd_mgr.cpp. An attacker could exploit this vulnerability to read and decode the credentials and escalate to any IPMI user.
CVSS Base score: 8.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183497 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)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM Power System AC922 (8335-GTG) | OP940.00, OP940.01 |
Remediation/Fixes
Customers with the product below, running OP940.00 or OP940.01 should install OP940.10
1) IBM Power System AC922 (8335-GTG)
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
29 Jul 2020: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
07 December 2021
UID
ibm16254748