CVE-2024-7383

Libnbd: nbd server improper certificate validation

CVSS 7.4 HIGHEPSS 0.4%CWE-295

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 7.4EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

05 Aug 2024Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

libnbdRed Hat · Red Hat Enterprise Linux 10 Red Hat · Red Hat Enterprise Linux 8 Red Hat · Red Hat Enterprise Linux 8 Advanced Virtualization Red Hat · Red Hat Enterprise Linux 9

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References

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