The gnapster and knapster clients for Napster do not properly restrict access only to MP3 files, which allows remote attackers to read arbitrary files from the client by specifying the full pathname for the file.
CVSS Severity (version 2.0):
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
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20000510 KNapster Vulnerability Compromises User-readable Files
20000510 Gnapster Vulnerability Compromises User-readable Files
Vulnerable software and versions