CVE-2024-24262 in media-server
Summary
by MITRE • 02/05/2024
media-server v1.0.0 was discovered to contain a Use-After-Free (UAF) vulnerability via the sip_uac_stop_timer function at /uac/sip-uac-transaction.c.
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Analysis
by VulDB Data Team • 06/07/2025
The vulnerability identified as CVE-2024-24262 represents a critical use-after-free condition within the media-server software version 1.0.0, specifically manifesting in the sip_uac_stop_timer function located at /uac/sip-uac-transaction.c. This type of vulnerability occurs when a program continues to reference memory that has already been freed, creating potential exploitation opportunities for malicious actors. The issue is particularly concerning within real-time communication systems that rely heavily on SIP (Session Initiation Protocol) for managing voice and video calls, as the media-server component serves as a foundational element for handling these critical communication sessions.
The technical flaw stems from improper memory management within the SIP User Agent Client transaction handling module. When the sip_uac_stop_timer function executes, it appears to release memory resources associated with SIP transaction contexts while failing to properly invalidate references to those freed memory locations. This memory management error creates a window where subsequent operations might attempt to access the freed memory block, potentially leading to arbitrary code execution, system crashes, or data corruption. The vulnerability is classified under CWE-416 as a Use After Free condition, which is a well-documented weakness that has been exploited in numerous security incidents across various software platforms.
The operational impact of this vulnerability extends significantly within environments that utilize the affected media-server for SIP communication services. Attackers could potentially exploit this flaw to execute malicious code on systems running the vulnerable software, particularly in scenarios where the media-server handles sensitive communication traffic. The attack surface is broad given that SIP-based systems are commonly deployed in enterprise communication networks, VoIP infrastructure, and unified communications platforms. Successful exploitation could result in complete system compromise, allowing threat actors to gain unauthorized access to communication channels, intercept sensitive data, or disrupt critical communication services. This vulnerability directly aligns with ATT&CK technique T1059.007 for command and script interpreter, as exploitation may enable attackers to execute arbitrary commands on the affected system.
Mitigation strategies for CVE-2024-24262 should prioritize immediate patch deployment from the software vendor, as this represents a critical vulnerability requiring urgent attention. Organizations should implement network segmentation to limit access to the affected media-server components and monitor for anomalous network traffic patterns that might indicate exploitation attempts. Security teams should also consider implementing memory corruption detection mechanisms and regular vulnerability scanning to identify similar issues within the broader system infrastructure. The fix should involve proper memory management practices including null pointer checks, reference counting mechanisms, or smart pointer implementations to prevent access to freed memory blocks. Additionally, system administrators should conduct comprehensive security assessments of their SIP-based communication infrastructure to identify and remediate other potential memory management vulnerabilities that could be exploited in similar attack vectors.