Brocade Fabric OS prior 7.4.2h/8.2.0_CBN4/8.2.3/9.0.1a ipfilter stack-based overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Brocade Fabric OS. This affects an unknown function of the component ipfilter. This manipulation causes stack-based overflow. This vulnerability appears as CVE-2021-27790. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Brocade Fabric OS. Affected by this vulnerability is an unknown code of the component ipfilter. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 08/13/2021 as brocade-security-advisory-2021-1492. The advisory is shared at broadcom.com. This vulnerability is known as CVE-2021-27790. Neither technical details nor an exploit are publicly available.

Upgrading to version 7.4.2h, 8.2.0_CBN4, 8.2.3 or 9.0.1a eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.0
VulDB Temp Score: 7.6
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: Stack-based overflow
CWE: CWE-121 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Fabric OS 7.4.2h/8.2.0_CBN4/8.2.3/9.0.1a

Timelineinfo

02/26/2021 🔍
08/13/2021 +167 days 🔍
08/13/2021 +0 days 🔍
08/18/2021 +5 days 🔍

Sourcesinfo

Advisory: brocade-security-advisory-2021-1492
Status: Confirmed

CVE: CVE-2021-27790 (🔍)
GCVE (CVE): GCVE-0-2021-27790
GCVE (VulDB): GCVE-100-180793

Entryinfo

Created: 08/13/2021 07:55
Updated: 08/18/2021 02:34
Changes: 08/13/2021 07:55 (38), 08/18/2021 02:34 (2)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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