Overview
This report details the CVE-2025-52194, a critical buffer overflow vulnerability found in libsndfile version 1.2.2 and potentially earlier versions. This vulnerability, found when processing malformed IRCAM audio files, can lead to memory corruption and potentially code execution. Given the severity of this vulnerability, it’s crucial for all affected parties to understand its nature and implications.
Vulnerability Summary
CVE ID: CVE-2025-52194
Severity: High (CVSS: 7.5)
Attack Vector: Network
Privileges Required: Low
User Interaction: None
Impact: Potential system compromise or data leakage
Affected Products
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Product | Affected Versions
Libsndfile | 1.2.2 and potentially earlier versions
How the Exploit Works
The exploit takes advantage of a buffer overflow vulnerability during the processing of malformed IRCAM audio files in libsndfile. Specifically, the vulnerability occurs in the ircam_read_header function at src/ircam.c:164 during sample rate processing. A successful exploit could lead to memory corruption and the potential execution of arbitrary code.
Conceptual Example Code
Given the nature of this exploit, a direct HTTP example may not be applicable. However, a conceptual exploitation might be as follows:
$ ./malformed_ircam_file_generator > exploit.aiff
$ ./vulnerable_libsndfile_app exploit.aiffIn this example, `malformed_ircam_file_generator` is a hypothetical tool that creates a malformed IRCAM file designed to exploit this vulnerability. The resulting file is then processed by an application (`vulnerable_libsndfile_app`) using the vulnerable version of libsndfile.
Mitigation
Users of affected versions are advised to apply the vendor-supplied patch as soon as it’s available. As an interim mitigation measure, users can employ Web Application Firewalls (WAFs) or Intrusion Detection Systems (IDS) to monitor and potentially block attempts to exploit this vulnerability.