Brocade Fabric OS prior 7.4.2j/8.2.0/8.2.3c/9.0.1e/9.1.1 fab_seg.c.h stack-based overflow

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6	$0-$5k	0.00

A vulnerability, which was classified as critical, was found in Brocade Fabric OS. This affects some unknown functionality of the file fab_seg.c.h. 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 summary by CVE is:

A vulnerability in fab_seg.c.h libraries of all Brocade Fabric OS versions before Brocade Fabric OS v9.1.1, v9.0.1e, v8.2.3c, v8.2.0_cbn5, 7.4.2j could allow local authenticated attackers to exploit stack-based buffer overflows and execute arbitrary code as the root user account.

The weakness was disclosed 10/26/2022. The advisory is shared at broadcom.com. This vulnerability is uniquely identified as CVE-2022-33184 since 06/13/2022. Technical details are known, but no exploit is available.

Upgrading to version 7.4.2j, 8.2.0, 8.2.3c, 9.0.1e or 9.1.1 eliminates this vulnerability.

The entries VDB-235914, VDB-238407, VDB-238410 and VDB-238412 are pretty similar.

Productinfo

Vendor

Brocade

Name

Fabric OS

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Fabric OS 7.4.2j/8.2.0/8.2.3c/9.0.1e/9.1.1

Timelineinfo

06/13/2022 🔍
10/26/2022 +135 days 🔍
10/26/2022 +0 days 🔍
11/25/2022 +30 days 🔍

Sourcesinfo

Advisory: broadcom.com
Status: Confirmed

CVE: CVE-2022-33184 (🔍)
See also: 🔍

Entryinfo

Created: 10/26/2022 09:28 AM
Updated: 11/25/2022 11:02 AM
Changes: 10/26/2022 09:28 AM (39), 11/25/2022 11:02 AM (11)
Complete: 🔍
Cache ID: 98:240:40