Path traversal in Dell Connectrix (Brocade)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-27798
CWE-ID CWE-22
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Connectrix (Brocade)
Other software / Other software solutions

Vendor Dell

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Path traversal

EUVDB-ID: #VU65809

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-27798

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a local user to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A local user with “user” or “factory” privileges can list the entirety of the filesystem utilizing the “more” binary and tab-completion.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Connectrix (Brocade): before 7.4.2j1

CPE2.3 External links

https://www.dell.com/support/kbdoc/nl-nl/000206397/dsa-2022-334-dell-connectrix-brocade-security-update-for-a-privileged-directory-traversal-vulnerability


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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