Overview
The cybersecurity realm is currently abuzz with the discovery of a new vulnerability – CVE-2024-53019, an information disclosure flaw that occurs while decoding Real-time Transport Protocol (RTP) packets with an improper header length for the number of contributing sources. This vulnerability can potentially affect a wide range of systems running applications that utilize RTP for media transport, including VoIP systems, streaming services, and video conferencing platforms, to name a few. Its significance lies in its potential to give malicious actors unauthorized access to sensitive data, leading to severe system compromise or data leakage if not mitigated promptly.
Vulnerability Summary
CVE ID: CVE-2024-53019
Severity: High (CVSS 8.2)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: Information disclosure leading to potential system compromise or data leakage
Affected Products
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Product | Affected Versions
[Product 1] | [Versions 1.0 – 2.0]
[Product 2] | [Version 3.0]
How the Exploit Works
This vulnerability is exploited when an attacker sends an RTP packet with a malformed header length to an application that uses RTP for media transmission. The improper header length leads to an incorrect calculation of the number of contributing sources during the decoding process. This error, in turn, could trigger a buffer overflow or underflow, allowing the attacker to bypass security measures and gain unauthorized access to sensitive system information.
Conceptual Example Code
Given the nature of this vulnerability, an example of a potential exploit could look like this:
POST /vulnerable/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/rtp
{ "header_length": "overly_large_value", "contributing_sources": [ ...malicious_payload... ] }In the above conceptual example, the attacker sends an RTP packet with an overly large value for the “header_length” field. This may trigger the vulnerability during the decoding process, allowing malicious payload concealed within the “contributing_sources” field to be executed or sensitive data to be exposed.
Please note that this is a conceptual example and may not directly apply to specific real-world scenarios. Actual exploit methods may vary depending on the specific RTP implementation and system configurations. Always refer to vendor guidance for mitigation and patching information.