libnbd up to 1.17.x NBS Server nbd_get_size memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in libnbd up to 1.17.x. The impacted element is the function nbd_get_size of the component NBS Server. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2023-5215. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in libnbd up to 1.17.x. This issue affects the function nbd_get_size of the component NBS Server. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 09/28/2023. The advisory is shared at listman.redhat.com. The identification of this vulnerability is CVE-2023-5215 since 09/26/2023. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 240024 (TencentOS Server 4: libnbd (TSSA-2024:0622)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.18.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (240024) and EUVD (EUVD-2023-57545). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 240024
Nessus Name: TencentOS Server 4: libnbd (TSSA-2024:0622)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libnbd 1.18.0

Timelineinfo

09/26/2023 🔍
09/28/2023 +2 days 🔍
09/28/2023 +0 days 🔍
11/08/2025 +772 days 🔍

Sourcesinfo

Advisory: listman.redhat.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-5215 (🔍)
GCVE (CVE): GCVE-0-2023-5215
GCVE (VulDB): GCVE-100-240797
EUVD: 🔍

Entryinfo

Created: 09/28/2023 07:54
Updated: 11/08/2025 20:42
Changes: 09/28/2023 07:54 (40), 10/21/2023 14:24 (1), 10/21/2023 14:26 (21), 06/17/2025 15:08 (17), 11/08/2025 20:42 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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