CVE-2025-27033 in Snapdragon Auto
Summary
by MITRE • 09/24/2025
Information disclosure while running video usecase having rogue firmware.
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Analysis
by VulDB Data Team • 09/24/2025
The vulnerability identified as CVE-2025-27033 represents a critical information disclosure flaw that manifests during video processing operations when rogue firmware is present in the system. This issue specifically targets embedded systems and devices that handle multimedia content, where the interaction between legitimate and malicious firmware components creates exploitable conditions for data leakage. The vulnerability stems from inadequate validation mechanisms within the device's firmware update and execution processes, allowing unauthorized data extraction through video processing pipelines. The presence of rogue firmware creates a malicious environment where sensitive information can be exposed during normal video operation sequences, particularly when the system attempts to authenticate or authorize video content processing.
The technical implementation of this vulnerability involves the exploitation of trust relationships between firmware components and the device's operating environment. When rogue firmware is present, it can manipulate the video processing stack to redirect or expose internal data structures, memory segments, or configuration parameters that should remain protected. The flaw typically occurs during firmware initialization or when video streams are being decoded or encoded, where the system's security controls are temporarily bypassed or weakened. This creates opportunities for attackers to extract device identifiers, cryptographic keys, user credentials, or proprietary system information that would normally be restricted from external access. The vulnerability demonstrates weaknesses in firmware integrity verification mechanisms and lacks proper sandboxing or isolation controls during video processing operations.
The operational impact of CVE-2025-27033 extends beyond simple data leakage to encompass potential system compromise and broader security breaches. Organizations relying on affected devices may experience unauthorized access to sensitive video content, exposure of device management credentials, or disclosure of system architecture details that could facilitate further attacks. The vulnerability is particularly concerning in environments where video surveillance, medical imaging, or industrial control systems are deployed, as the disclosed information could enable attackers to plan targeted attacks against these critical systems. Network-based attacks can leverage this vulnerability to gather intelligence about device configurations, firmware versions, and operational parameters that would otherwise remain hidden from external observers. The information disclosure could also enable attackers to craft more sophisticated attacks against other system components or to bypass additional security controls.
Mitigation strategies for CVE-2025-27033 should focus on strengthening firmware integrity verification processes and implementing robust access controls during video processing operations. Organizations must ensure that all firmware components undergo proper authentication and validation before execution, utilizing secure boot mechanisms and cryptographic signatures to prevent rogue firmware installation. Network segmentation and monitoring should be implemented to detect unauthorized firmware modifications or unusual video processing patterns that might indicate exploitation attempts. Regular firmware updates and patch management processes should be enforced to address known vulnerabilities and maintain system security. The implementation of runtime protection mechanisms such as memory protection units and code integrity checks can help prevent unauthorized data access during video operations. Additionally, organizations should conduct regular security assessments of their video processing systems to identify and remediate similar vulnerabilities that could create information disclosure opportunities. This vulnerability aligns with CWE-200 (Information Disclosure) and may map to ATT&CK techniques involving credential access and defense evasion through firmware manipulation.