CVE-2026-24080 in Snapdragon Auto
Summary
by MITRE • 08/04/2026
Memory Corruption when handling malformed request parameters in the fingerprint TA.
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Analysis
by VulDB Data Team • 08/04/2026
This vulnerability represents a critical memory corruption issue within the fingerprint trust anchor component that processes malformed request parameters. The flaw occurs when the system fails to properly validate or sanitize input data submitted through fingerprint authentication requests, leading to unpredictable memory behavior that can be exploited by attackers. The vulnerability stems from inadequate parameter validation mechanisms that allow malformed data structures to traverse the authentication processing pipeline without proper bounds checking or input sanitization. Such memory corruption vulnerabilities typically arise from buffer overflows, use-after-free conditions, or heap corruption scenarios where attacker-controlled data influences memory allocation patterns or object lifecycles within the trust anchor implementation.
The technical execution of this vulnerability involves crafting malicious request parameters that cause the fingerprint TA to allocate insufficient memory buffers or manipulate memory structures in unintended ways. When legitimate authentication requests contain malformed elements such as oversized data fields, unexpected data types, or crafted binary sequences, the system's parameter handling routines may fail to properly manage memory allocation boundaries. This creates opportunities for attackers to overwrite adjacent memory locations, corrupt heap metadata, or manipulate program control flow through carefully constructed input sequences that exploit the underlying memory management flaws in the trust anchor component.
The operational impact of this vulnerability extends beyond simple authentication failures and can enable sophisticated attack vectors including privilege escalation, denial of service conditions, or even remote code execution depending on the specific implementation details. Attackers leveraging this weakness could potentially bypass authentication mechanisms entirely, gain unauthorized access to protected systems, or cause system instability through controlled memory corruption. The vulnerability affects the integrity of the trust anchor's operation and can compromise the entire authentication framework it supports, making it particularly dangerous in security-critical environments where fingerprint-based authentication serves as a primary or secondary authentication factor.
Mitigation strategies should focus on implementing comprehensive input validation and sanitization measures within the fingerprint TA component to prevent malformed parameters from reaching memory management routines. Organizations should deploy strict parameter bounds checking, implement proper buffer overflow protection mechanisms, and establish robust error handling procedures that gracefully manage malformed inputs without compromising system stability. Additionally, regular security assessments and code reviews focusing on memory safety practices should be conducted to identify similar vulnerabilities in related components. The vulnerability aligns with CWE-121 heap-based buffer overflow and CWE-787 out-of-bounds write categories, and may map to ATT&CK techniques involving privilege escalation through memory corruption or credential access via authentication bypass. Implementing defensive programming practices including stack canaries, address space layout randomization, and secure coding standards will significantly reduce the attack surface and prevent exploitation of such memory corruption vulnerabilities.