CVE-2024-7383
Libnbd: nbd server improper certificate validation
A flaw was found in libnbd. The client did not always correctly verify the NBD server's certificate when using TLS to connect to an NBD server. This issue allows a man-in-the-middle attack on NBD traffic.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
libnbd
https://gitlab.com/nbdkit/libnbd |
≥ 1.18.0; < 1.18.5 (affected, semver) ≥ 1.20.0; < 1.20.2 (affected, semver) Other versions: unaffected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat virt-devel:rhel
https://access.redhat.com/downloads/content/package-browser/ |
≥ 8100020240905091210.489197e6; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Red Hat virt:rhel
https://access.redhat.com/downloads/content/package-browser/ |
≥ 8100020240905091210.489197e6; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 9 Red Hat libnbd
https://access.redhat.com/downloads/content/package-browser/ |
≥ 0:1.18.1-4.el9_4; < * (unaffected, rpm)
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 10 Red Hat libnbd
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
| Red Hat Enterprise Linux 8 Advanced Virtualization Red Hat virt:av/libnbd
https://access.redhat.com/downloads/content/package-browser/ |
Range not reported
Other versions: affected |
CNA: redhat |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 7.4 high |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N | CNA: redhat |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://access.redhat.com/errata/RHSA-2024:6757CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2024:6964CNA: redhat · vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2024-7383CNA: redhat · vdb-entry, x_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2302865CNA: redhat · issue-tracking, x_refsource_REDHAT
- https://lists.libguestfs.org/archives/list/[email protected]/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2CNA: redhat
- https://lists.libguestfs.org/archives/list/[email protected]/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/CNA: redhat
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