Brocade Fabric OS prior 9.1.1c/9.2.0 Command buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Brocade Fabric OS. Impacted is an unknown function of the component Command Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2023-31431. The attack needs to be launched locally. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Brocade Fabric OS. This vulnerability affects an unknown function of the component Command Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect availability. CVE summarizes:

A buffer overflow vulnerability in “diagstatus” command in Brocade Fabric OS before Brocade Fabric v9.2.0 and v9.1.1c could allow an authenticated user to crash the Brocade Fabric OS switch leading to a denial of service.

The weakness was published 08/02/2023. The advisory is shared for download at support.broadcom.com. This vulnerability was named CVE-2023-31431 since 04/28/2023. There are neither technical details nor an exploit publicly available.

Upgrading to version 9.1.1c or 9.2.0 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

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

CNA Base Score: 5.5
CNA Vector (Brocade Communications Systems, LLC): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Fabric OS 9.1.1c/9.2.0

Timelineinfo

04/28/2023 🔍
08/02/2023 +96 days 🔍
08/02/2023 +0 days 🔍
08/02/2023 +0 days 🔍

Sourcesinfo

Advisory: support.broadcom.com
Status: Confirmed

CVE: CVE-2023-31431 (🔍)
GCVE (CVE): GCVE-0-2023-31431
GCVE (VulDB): GCVE-100-235900

Entryinfo

Created: 08/02/2023 09:48
Changes: 08/02/2023 09:48 (49)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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