CVE-2024-7383

Libnbd: nbd server improper certificate validation

Description

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.

Category

7.4
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory redhat.com Vendor Advisory redhat.com
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 8
Affected: Red Hat Red Hat Enterprise Linux 9
Affected: Red Hat Red Hat Enterprise Linux 10
Affected: Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization
Published at:
Updated at:

References

Link Tags
https://access.redhat.com/errata/RHSA-2024:6757 vendor advisory
https://access.redhat.com/errata/RHSA-2024:6964 vendor advisory
https://access.redhat.com/security/cve/CVE-2024-7383 vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=2302865 issue tracking
https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/message/LHR3BW6RJ7K4BJBQIYV3GTZLSY27VZO2
https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/ENZY4LHLARA3N4C3JUNLPYUCXHFO7BWQ/

Frequently Asked Questions

What is the severity of CVE-2024-7383?
CVE-2024-7383 has been scored as a high severity vulnerability.
How to fix CVE-2024-7383?
To fix CVE-2024-7383, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-7383 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-7383 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-7383?
CVE-2024-7383 affects Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 8, Red Hat Red Hat Enterprise Linux 9, Red Hat Red Hat Enterprise Linux 10, Red Hat Red Hat Enterprise Linux 8 Advanced Virtualization.
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