CVE-2025-27047 in Snapdragon Compute
Summary
by MITRE • 07/08/2025
Memory corruption while processing the TESTPATTERNCONFIG escape path.
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Analysis
by VulDB Data Team • 07/22/2025
The vulnerability identified as CVE-2025-27047 represents a memory corruption flaw that occurs during the processing of the TESTPATTERNCONFIG escape path within a software system. This type of vulnerability typically arises in environments where escape sequences are used to control or configure system behavior, particularly in graphics rendering or display processing components. The TESTPATTERNCONFIG escape path suggests this vulnerability is likely found in multimedia or graphics processing software where test patterns are configured through specific command sequences. Memory corruption vulnerabilities of this nature pose significant security risks as they can potentially allow attackers to execute arbitrary code or cause system instability.
The technical implementation of this flaw involves improper handling of memory allocation or deallocation when processing the TESTPATTERNCONFIG escape sequence. This type of memory corruption can manifest through various mechanisms including buffer overflows, use-after-free conditions, or heap corruption when the system attempts to process the escape path parameters. The vulnerability likely stems from insufficient input validation or bounds checking within the escape sequence processing logic. According to CWE classification, this vulnerability would fall under CWE-121 for stack-based buffer overflow or CWE-122 for heap-based buffer overflow depending on the specific memory corruption mechanism. The attack surface is typically limited to applications that process escape sequences, making it particularly concerning in graphics drivers, multimedia frameworks, or display server implementations.
The operational impact of CVE-2025-27047 can be severe as memory corruption vulnerabilities often provide attackers with opportunities to escalate privileges or achieve remote code execution. An attacker could potentially exploit this vulnerability by crafting malicious TESTPATTERNCONFIG escape sequences that trigger the memory corruption condition. This type of vulnerability is particularly dangerous in environments where untrusted input is processed, such as in web browsers, multimedia applications, or graphics rendering systems. The exploitation chain would typically involve sending specially crafted escape sequences that cause the application to allocate or access memory in an unexpected manner, potentially leading to privilege escalation or system compromise. From an ATT&CK framework perspective, this vulnerability could map to techniques such as T1059 for command and scripting interpreter and T1068 for exploit for privilege escalation.
Mitigation strategies for CVE-2025-27047 should focus on implementing robust input validation and bounds checking mechanisms within the escape sequence processing code. Developers should employ modern memory-safe programming practices including the use of safe string handling functions and proper memory management techniques. The implementation of address space layout randomization ASLR and data execution prevention DEP can provide additional layers of protection against exploitation attempts. Regular security updates and patches should be applied promptly to address this vulnerability in affected systems. Input sanitization techniques should be implemented to validate all escape sequence parameters before processing, ensuring that buffer sizes and memory allocations are properly constrained. Additionally, runtime monitoring and intrusion detection systems can help identify potential exploitation attempts targeting this vulnerability. Organizations should conduct thorough code reviews focusing on memory handling routines and escape sequence processing logic to identify similar patterns that might be susceptible to the same class of vulnerabilities.