PT-2020-13897 · Openbmc · Openbmc Phosphor-Host-Ipmid

Michael Henry · Published 2020-06-15 · Updated 2020-06-22 · CVE-2020-14156

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OpenBMC phosphor-host-ipmid versions prior to 2020-04-03

Description The issue arises from the user channel/passwd mgr.cpp file in OpenBMC phosphor-host-ipmid, which does not ensure that the /etc/ipmi-pass file has strong file permissions. This could potentially lead to unauthorized access.

Recommendations For versions prior to 2020-04-03, ensure that the /etc/ipmi-pass file has strong file permissions to mitigate the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Incorrect Default Permissions

Weakness Enumeration

CWE-276

Related Identifiers

CVE-2020-14156

Affected Products

Openbmc Phosphor-Host-Ipmid

References · 6

• https://github.com/openbmc/phosphor-host-ipmid/commit/b265455a2518ece7c004b43c144199ec980fc620 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2020-14156 · Security Note
• https://osv.dev/vulnerability/CVE-2020-14156 · Vendor Advisory
• https://github.com/openbmc/openbmc/issues/3670 · Note
• https://lists.ozlabs.org/pipermail/openbmc/2020-June/022020.html · Note
• https://t.me/cvenotify/4384 · Telegram Post