Free Lossless Audio Codec (FLAC) libFLAC before 1.2.1 allows user-assisted remote attackers to force a client to download arbitrary files via the MIME-Type URL flag (-->) for the FLAC image file in a crafted .FLAC file.
CVSS Severity (version 2.0):
Impact Subscore: 10.0
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service
Official Statement from Red Hat (12/11/2007)
Red Hat does not consider this a security issue. The downloading of arbitrary files will be harmless unless there is a vulnerability in the application handling these other filetypes.
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20071115 EEYE: Multiple Vulnerabilities In .FLAC File Format and Various Media Applications
US-CERT Vulnerability Note:
Vulnerable software and versions