CVE-2020-14156 : user_channel/passwd_mgr.cpp in OpenBMC phosphor-host-ipmid before 2020-04-03 does not ensure that /etc/ipmi-pass has str

user_channel/passwd_mgr.cpp in OpenBMC phosphor-host-ipmid before 2020-04-03 does not ensure that /etc/ipmi-pass has strong file permissions.

Published 2020-06-15 18:15:15

Updated 2020-06-22 18:33:43

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2020-14156

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 53 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-14156

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

References for CVE-2020-14156

https://github.com/openbmc/openbmc/issues/3670

Security Advisory for CVE-2020-14156 - Network IPMI file permissions · Issue #3670 · openbmc/openbmc · GitHub
Third Party Advisory
https://lists.ozlabs.org/pipermail/openbmc/2020-June/022020.html

[Security Advisory] CVE-2020-14156 - Network IPMI file permissions
Mailing List;Third Party Advisory
https://github.com/openbmc/phosphor-host-ipmid/commit/b265455a2518ece7c004b43c144199ec980fc620

Use more restrictive permissions on /etc/ipmi-pass · openbmc/phosphor-host-ipmid@b265455 · GitHub
Patch;Third Party Advisory

Products affected by CVE-2020-14156

Openbmc-project » Openbmc
Versions before (<) 2020-04-03
cpe:2.3:a:openbmc-project:openbmc:*:*:*:*:*:*:*:*
Matching versions