QSC Q-SYS Core Manager version 8.2.1 suffers from a TFTP related directory traversal vulnerability.
b8b44947a96dd18d16e85141c32b16c4[Suggested description]
An issue was discovered in QSC Q-SYS Core Manager 8.2.1. By utilizing
the TFTP service running on UDP port 69, a remote attacker can perform
a directory traversal and obtain operating system files via a TFTP
GET request, as demonstrated by reading /etc/passwd or /proc/version.
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[Vulnerability Type]
Directory Traversal
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[Vendor of Product]
QSC LLC
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[Affected Product Code Base]
Q-SYS Core Manager - Version 8.2.1
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[Affected Component]
TFTP Service running on UDP port 69 allows for retrieval of arbitrary
files through a TFTP GET request
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[Attack Type]
Remote
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[Impact Information Disclosure]
true
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[Attack Vectors]
Remote while unauthenticated to the system
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[Reference]
https://q-syshelp.qsc.com/Content/Core_Manager/CoreManager_Overview.htm
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[Discoverer]
Kevin Randall