PT-2023-12349 · Openbmc · Openbmc

Ya-Mouse · Published 2023-04-15 · Updated 2023-04-25 · CVE-2021-39295

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenBMC version 2.9

Description The issue allows an attacker to cause a denial of service to the BMC via the netipmid (IPMI lan+) interface by sending crafted IPMI messages.

Recommendations For OpenBMC version 2.9, consider restricting access to the netipmid interface until a patch is available. As a temporary workaround, monitor the system for unusual IPMI message traffic to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2021-39295

GHSA-GG9X-V835-M48Q

Affected Products

Openbmc

References · 10

• 🔥 https://github.com/google/security-research/security/advisories/GHSA-gg9x-v835-m48q · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-39295 · Security Note
• https://osv.dev/vulnerability/CVE-2021-39295 · Vendor Advisory
• https://github.com/openbmc/openbmc · Note
• https://github.com/openbmc/openbmc/issues/3811 · Note
• https://github.com/openbmc/docs/blob/master/release/release-notes.md · Note
• https://intel.com/content/www/us/en/security-center/advisory/intel-sa-00737.html · Note
• https://t.me/cvenotify/48341 · Telegram Post
• https://openbmc.org · Note
• https://t.me/cibsecurity/62239 · Telegram Post