Vulnerability Monitor

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CVE-2021-27791

The function that is used to parse the Authentication header in Brocade Fabric OS Web application service before Brocade Fabric OS v9.0.1a and v8.2.3a fails to properly process a malformed authentication header from the client, resulting in reading memory addresses outside the intended range. An unauthenticated attacker could discover a request, which could bypass the authentication process.

Published

2021-08-12T15:15:07.737

Last Modified

2024-11-21T05:58:34.420

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:P/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.0

Impact Score

4.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	broadcom	fabric_operating_system	< 8.2.3a	Yes
Operating System	broadcom	fabric_operating_system	< 9.0.1a	Yes

References

https://security.netapp.com/advisory/ntap-20210819-0002/ Third Party Advisory ([email protected])
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1491 Vendor Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210819-0002/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1491 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)