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CVE-2023-5871

Date: November 27, 2023

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.

Language: C

Severity Score

Related Resources (8)

https://gitlab.com/nbdkit/libnbd/-/commit/20dadb0e10fc7236c763e3cf8c55fcc92ef28623
https://security-tracker.debian.org/tracker/CVE-2023-5871
https://access.redhat.com/security/cve/CVE-2023-5871
https://nvd.nist.gov/vuln/detail/CVE-2023-5871
https://bugzilla.redhat.com/show_bug.cgi?id=2247308
https://access.redhat.com/errata/RHSA-2024:2204
https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/PFVUCMPFQUDC23JXSCUUPXIGDZ7XCFMD/
https://www.mend.io/vulnerability-database/CVE-2023-5871

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Reachable Assertion

CWE-617

Lack of Administrator Control over Security

CWE-671

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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