CVE-2019-10587 in Snapdragon Auto
Summary
by MITRE
Possible Stack overflow can occur when processing a large SDP body or non standard SDP body without right delimiters in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, APQ8017, APQ8053, APQ8096, APQ8096AU, APQ8098, MDM9150, MDM9206, MDM9607, MDM9615, MDM9625, MDM9635M, MDM9640, MDM9645, MDM9650, MDM9655, MSM8905, MSM8909, MSM8909W, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8996AU, MSM8998, Nicobar, QCM2150, QCS605, QM215, Rennell, SC8180X, SDA660, SDA845, SDM429, SDM429W, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SXR1130
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Analysis
by VulDB Data Team • 03/06/2020
This vulnerability represents a critical stack overflow condition that can occur during processing of Session Description Protocol (SDP) bodies within various Qualcomm Snapdragon chipsets. The flaw manifests when the system encounters large SDP bodies or non-standard SDP structures lacking proper delimiters, creating an exploitable condition that could allow arbitrary code execution. The vulnerability affects a broad range of automotive, mobile, and IoT platforms including the APQ8009, APQ8017, APQ8053, APQ8096, and numerous other Snapdragon variants across multiple product lines. The technical implementation involves improper bounds checking during SDP parsing operations where the system fails to validate input size or structure before attempting to process the content. This deficiency creates a predictable overflow scenario where maliciously crafted SDP data can overwrite adjacent stack memory, potentially corrupting program execution flow and enabling privilege escalation attacks.
The operational impact of this vulnerability extends across multiple domains including automotive infotainment systems, mobile devices, and industrial IoT deployments where SDP protocol is utilized for session establishment and media negotiation. Attackers could leverage this weakness by injecting specially crafted SDP content through VoIP calls, video streaming services, or other communication protocols that utilize SDP for session management. The vulnerability aligns with CWE-121 Stack-based Buffer Overflow, which is categorized under the broader class of buffer overflow conditions that occur when more data is written to a fixed-length buffer than it can accommodate. This specific implementation flaw represents a classic stack corruption vulnerability that can be exploited to gain control over the affected system's execution context, potentially leading to complete system compromise. The widespread presence of affected chipsets across automotive, consumer, and industrial markets amplifies the potential impact, as numerous connected devices could be vulnerable to exploitation.
Mitigation strategies for this vulnerability require immediate firmware and software updates from device manufacturers to address the SDP parsing implementation flaws. System administrators should implement network monitoring to detect unusual SDP traffic patterns that might indicate exploitation attempts, while also applying network segmentation to limit exposure of vulnerable systems. The remediation efforts should focus on implementing proper input validation and bounds checking mechanisms within the SDP processing libraries, ensuring that all incoming SDP data is properly sanitized before processing. Organizations should also consider implementing intrusion detection systems that can identify potential exploitation attempts through anomalous SDP packet structures or unusual processing patterns. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and execution through remote code injection, specifically targeting the execution of malicious code within legitimate processes. The attack surface encompasses both network-based and potentially local exploitation scenarios, making comprehensive network security controls essential for protecting against potential exploitation attempts. Device manufacturers should conduct thorough security assessments of their SDP processing implementations and consider implementing additional runtime protections such as stack canaries or address space layout randomization to mitigate potential exploitation success rates.