nbd up to 3.23 nbd-server length heap-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in nbd up to 3.23. Impacted is an unknown function of the component nbd-server. Such manipulation of the argument length leads to heap-based overflow. This vulnerability is documented as CVE-2022-26495. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in nbd up to 3.23. Affected by this issue is an unknown code block of the component nbd-server. The manipulation of the argument length with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability.

The weakness was released 03/06/2022. The advisory is shared for download at lists.debian.org. This vulnerability is handled as CVE-2022-26495 since 03/06/2022. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 211130 (Fedora 37 : nbd (2022-e1ce6f6d88)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.24 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (211130). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

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

CVSSv2info

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

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 211130
Nessus Name: Fedora 37 : nbd (2022-e1ce6f6d88)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: nbd 3.24

Timelineinfo

03/06/2022 🔍
03/06/2022 +0 days 🔍
03/06/2022 +0 days 🔍
11/17/2024 +987 days 🔍

Sourcesinfo

Advisory: lists.debian.org
Status: Confirmed

CVE: CVE-2022-26495 (🔍)
GCVE (CVE): GCVE-0-2022-26495
GCVE (VulDB): GCVE-100-194276

Entryinfo

Created: 03/06/2022 16:43
Updated: 11/17/2024 05:45
Changes: 03/06/2022 16:43 (39), 03/09/2022 11:56 (1), 11/17/2024 05:45 (16)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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