Brocade Fabric OS prior 7.4.2h/8.2.0/8.2.3/9.0.1a ipfilter stack-based overflow
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.3 | $0-$5k | 0.00 |
A vulnerability, which was classified as critical, was found in Brocade Fabric OS. This affects some unknown processing of the component ipfilter. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability.
The weakness was published 08/13/2021 as brocade-security-advisory-2021-1492. It is possible to read the advisory at broadcom.com. This vulnerability is uniquely identified as CVE-2021-27792. The technical details are unknown and an exploit is not publicly available.
Upgrading to version 7.4.2h, 8.2.0, 8.2.3 or 9.0.1a eliminates this vulnerability.
Product
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.5VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Stack-based overflowCWE: CWE-121 / CWE-119
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Fabric OS 7.4.2h/8.2.0/8.2.3/9.0.1a
Timeline
02/26/2021 🔍08/13/2021 🔍
08/13/2021 🔍
08/18/2021 🔍
Sources
Advisory: brocade-security-advisory-2021-1492Status: Confirmed
CVE: CVE-2021-27792 (🔍)
Entry
Created: 08/13/2021 08:00Updated: 08/18/2021 02:50
Changes: 08/13/2021 08:00 (38), 08/18/2021 02:50 (2)
Complete: 🔍
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