Libnbd: nbd server improper certificate validation

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-7383
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-08-05 14:15:35 UTC
Updated2026-11-05 15:16:59 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 7.4 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Problem Types: CWE-295 | CWE-295 Improper Certificate Validation

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
3.1CNACVSS7.4HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Red Hat Red Hat Enterprise Linux 8 unaffected 8100020240905091210.489197e6 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 8 unaffected 8100020240905091210.489197e6 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 9 unaffected 0:1.18.1-4.el9_4 * rpm Not specified
CNA Red Hat Red Hat Enterprise Linux 10 Not specified Not specified
CNA Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization Not specified Not specified

References

ReferenceSourceLinkTags
lists.libguestfs.org/archives/list/[email protected]/message/LHR3BW6RJ7... [email protected] lists.libguestfs.org
access.redhat.com/security/cve/CVE-2024-7383 [email protected] access.redhat.com
access.redhat.com/errata/RHSA-2024:6757 [email protected] access.redhat.com
bugzilla.redhat.com/show_bug.cgi [email protected] bugzilla.redhat.com
access.redhat.com/errata/RHSA-2024:6964 [email protected] access.redhat.com
lists.libguestfs.org/archives/list/[email protected]/thread/ENZY4LHLARA... [email protected] lists.libguestfs.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Red Hat would like to thank Jon Szymaniak for reporting this issue. (en)

Additional Advisory Data

SourceTimeEvent
CNA2024-08-04T15:38:14.534ZReported to Red Hat.
CNA2024-06-25T00:00:00.000ZMade public.

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