CVE-2024-7383 — Improper Certificate Validation in Libnbd

CWE-295 — Improper Certificate Validation6 documents6 sources
Severity
7.4HIGHNVD
EPSS
0.3%
top 46.48%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
Redhat LibnbdDebian LibnbdMsrc Azl3 Libnbd 1.18.3-3 ON Azure Linux 3.0+5 more
Timeline
PublishedAug 5
Latest updateAug 13

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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitability: 2.2 | Impact: 5.2

Affected Packages8 packages

▶debiandebian/libnbd< libnbd 1.20.2-1 (forky)
▶Debianredhat/libnbd< 1.20.2-1+1

🔴Vulnerability Details

2
GHSA
GHSA-rqmr-f8r9-69wq: A flaw was found in libnbd↗2024-08-05
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OSV
CVE-2024-7383: A flaw was found in libnbd↗2024-08-05
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📋Vendor Advisories

3
Microsoft
Libnbd: nbd server improper certificate validation↗2024-08-13
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Red Hat
libnbd: NBD server improper certificate validation↗2024-06-25
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Debian
CVE-2024-7383: libnbd - A flaw was found in libnbd. The client did not always correctly verify the NBD s...↗2024
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