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Fencer Intel
medium 5.0

CVE-2024-42934 json

OpenIPMI before 2.0.36 has an out-of-bounds array access (for authentication type) in the ipmi_sim simulator, resulting in denial of servic…

published 2y ago modified 4mo ago also EUVD-2024-39829

cvss
5.0
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 33%
public exploits
0
none known

Summary

OpenIPMI before 2.0.36 has an out-of-bounds array access (for authentication type) in the ipmi_sim simulator, resulting in denial of service or (with very low probability) authentication bypass or code execution.

Patch / fix

  • openipmi Debian 14, Debian 13 2.0.36-1

debian advisories DEBIAN-CVE-2024-42934

  • OpenIPMI RHEL 9 2.0.32-5.el9_4
  • OpenIPMI-libs RHEL 9 2.0.32-5.el9_4
  • OpenIPMI-lanserv RHEL 9 2.0.32-5.el9_4
  • OpenIPMI RHEL 9.2 EUS 2.0.32-3.el9_2.3
  • OpenIPMI-libs RHEL 9.2 EUS 2.0.32-3.el9_2.3
  • OpenIPMI-lanserv RHEL 9.2 EUS 2.0.32-3.el9_2.3

red hat advisories RHSA-2024:8081RHSA-2024:8037

  • OpenIPMI SLES for SAP 12 SP5, SLES 12 SP5, SLE Software Development Kit 12 SP5 2.0.21-10.9.1
  • OpenIPMI SLE Module for Basesystem 15 SP5, openSUSE Leap 15.5 2.0.31-150400.3.5.1
  • OpenIPMI SLE Module for Basesystem 15 SP6, openSUSE Leap 15.6 2.0.31-150600.10.3.1

suse advisories SUSE-SU-2024:3717-1SUSE-SU-2024:3604-1SUSE-SU-2024:3505-1

  • OpenIPMI openSUSE Tumbleweed 2.0.36.4+git.c114912-1.1

opensuse advisories openSUSE-SU-2024:14373-1

  • OpenIPMI AlmaLinux 9 2.0.32-5.el9_4
  • OpenIPMI-libs AlmaLinux 9 2.0.32-5.el9_4
  • OpenIPMI-lanserv AlmaLinux 9 2.0.32-5.el9_4

almalinux advisories ALSA-2024:8037

  • OpenIPMI Rocky Linux 9 2.0.32-5.el9_4

rocky linux advisories RLSA-2024:8037

  • OpenIPMI CBL-Mariner 2.0, Azure Linux 3.0 2.0.36-1

azure linux advisories AZL-50318AZL-50319

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-42934 updated cvss 5.0

openipmi: missing check on the authorization type on incoming LAN messages in IPMI simulator

  • Red Hat Enterprise Linux 6 OpenIPMI, OpenIPMI-libs, OpenIPMI-perl, OpenIPMI-python Red Hat Enterprise Linux 7 OpenIPMI, OpenIPMI-libs, OpenIPMI-perl, OpenIPMI-python, OpenIPMI-modalias
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 OpenIPMI, OpenIPMI-libs, OpenIPMI-perl, OpenIPMI-lanserv, python3-openipmi
    affected: workaround, no fix planned “Will not fix”
  • Red Hat CodeReady Linux Builder EUS (v.9.2) OpenIPMI-devel 2.0.32-3.el9_2.3, OpenIPMI-debuginfo 2.0.32-3.el9_2.3, OpenIPMI-debugsource 2.0.32-3.el9_2.3, OpenIPMI-libs-debuginfo 2.0.32-3.el9_2.3, OpenIPMI-perl-debuginfo 2.0.32-3.el9_2.3, OpenIPMI-lanserv-debuginfo 2.0.32-3.el9_2.3, +1 more
    fixed: vendor fix RHSA-2024:8081
  • Red Hat Enterprise Linux AppStream (v. 9) OpenIPMI 2.0.32-5.el9_4, OpenIPMI-libs 2.0.32-5.el9_4, OpenIPMI-lanserv 2.0.32-5.el9_4
    fixed: vendor fix RHSA-2024:8037
  • Red Hat Enterprise Linux AppStream EUS (v.9.2) OpenIPMI 2.0.32-3.el9_2.3, OpenIPMI-libs 2.0.32-3.el9_2.3, OpenIPMI-lanserv 2.0.32-3.el9_2.3
    fixed: vendor fix RHSA-2024:8081
  • Red Hat Enterprise Linux CRB (v. 9) OpenIPMI-devel 2.0.32-5.el9_4, OpenIPMI-debuginfo 2.0.32-5.el9_4, OpenIPMI-debugsource 2.0.32-5.el9_4, OpenIPMI-libs-debuginfo 2.0.32-5.el9_4, OpenIPMI-perl-debuginfo 2.0.32-5.el9_4, OpenIPMI-lanserv-debuginfo 2.0.32-5.el9_4, +1 more
    fixed: vendor fix RHSA-2024:8037
  • Red Hat Enterprise Linux 10 OpenIPMI
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2y ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.0 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.1 5.0 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.