Libnbd: malicious nbd server may crash libnbd
CVE-2023-5871

5.3MEDIUM

Key Information:

Vendor

Red Hat
Status
Libnbd
Red Hat Enterprise Linux 6
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Vendor
CVE Published:
27 November 2023

What is CVE-2023-5871?

A flaw was found in libnbd, due to a malicious Network Block Device (NBD), a protocol for accessing Block Devices such as hard disks over a Network. This issue may allow a malicious NBD server to cause a Denial of Service.

Affected Version(s)

libnbd 1.18.2

References

https://access.redhat.com/security/cve/CVE-2023-5871
vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2247308
issue-trackingx_refsource_REDHAT
https://lists.libguestfs.org/archives/list/guestfs@lists....

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2023-5871 : Libnbd: malicious nbd server may crash libnbd