libnbd TLS Verification Vulnerability Allows Man-in-the-Middle Attack

CVE-2024-7383
7.4HIGH

Key Information

Vendor
Red Hat
Status
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Enterprise Linux 8 Advanced Virtualization
Vendor
CVE Published:
5 August 2024

Summary

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.

Affected Version(s)

Red Hat Enterprise Linux 8 <= 8100020240905091210.489197e6

Red Hat Enterprise Linux 8 <= 8100020240905091210.489197e6

Red Hat Enterprise Linux 9 <= 0:1.18.1-4.el9_4

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Risk change from: 5.9 to: 7.4 - (HIGH)

  • Risk change from: null to: 5.9 - (MEDIUM)

  • Vulnerability published.

  • Reported to Red Hat.

  • Vulnerability Reserved.

Collectors

NVD DatabaseMitre Database

Credit

Red Hat would like to thank Jon Szymaniak for reporting this issue.
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