// For flags

CVE-2023-5871

Libnbd: malicious nbd server may crash libnbd

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se encontró una falla en libnbd debido a un Network Block Device (NBD) malicioso, un protocolo para acceder a dispositivos de bloque, como discos duros, a través de una red. Este problema puede permitir que un servidor NBD malintencionado provoque una Denegación de Servicio.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2023-10-31 CVE Reserved
  • 2023-11-27 CVE Published
  • 2024-11-23 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-617: Reachable Assertion
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Redhat
Search vendor "Redhat"
Libnbd
Search vendor "Redhat" for product "Libnbd"
>= 1.17.4 < 1.18.2
Search vendor "Redhat" for product "Libnbd" and version " >= 1.17.4 < 1.18.2"
-
Affected
Redhat
Search vendor "Redhat"
Libnbd
Search vendor "Redhat" for product "Libnbd"
1.19.1
Search vendor "Redhat" for product "Libnbd" and version "1.19.1"
-
Affected
Redhat
Search vendor "Redhat"
Enterprise Linux
Search vendor "Redhat" for product "Enterprise Linux"
9.0
Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"
-
Affected