Bug 2333312 (CVE-2023-38103)

Summary: CVE-2023-38103 gstreamer1-plugins-ugly-free: GStreamer RealMedia File Parsing Integer Overflow Remote Code Execution Vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
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A flaw was found in GStreamer. Due to a lack of proper validation of user-supplied data, an integer overflow can be triggered when parsing MDPR chunks. In certain configurations, this flaw allows a remote attacker to execute arbitrary code in the context of the current process.
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Description OSIDB Bzimport 2024-12-19 12:06:37 UTC 
GStreamer RealMedia File Parsing Integer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the parsing of MDPR chunks. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before allocating a buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-21443.