CVE-2026-105271 in ジオアプリ for Android
Summary
by MITRE • 10/15/2026
"ゲオアプリ" provided by GEO CORPORATION contains an issue with cleartext storage of sensitive information, which may allow an attacker to obtain the password of a user of the affected application.
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Analysis
by VulDB Data Team • 10/15/2026
The vulnerability identified in the Geo App developed by GEO Corporation represents a critical failure in data protection mechanisms at rest, specifically classified under CWE-312 as Cleartext Storage of Sensitive Information. This flaw indicates that sensitive credentials or authentication tokens are stored within the application's local storage environment without adequate encryption or obfuscation techniques. In modern mobile and desktop applications, it is standard practice to utilize secure enclaves, hardware-backed keystores, or strong symmetric encryption algorithms such as AES-256 to protect user secrets against unauthorized access. The absence of these controls means that the application treats sensitive data with insufficient confidentiality, exposing it to any process or actor capable of reading the device's file system or memory dumps.
From a technical perspective, this vulnerability likely stems from improper implementation of storage APIs where plaintext strings are written directly to shared preferences, local databases, or configuration files without applying cryptographic transformations before persistence. An attacker who gains physical access to the device, compromises the operating system through another vector, or exploits a less severe privilege escalation bug can extract these stored values using standard file reading utilities or memory analysis tools. Unlike encrypted storage where decryption keys are protected by hardware security modules or biometric authentication barriers, cleartext data is immediately usable upon extraction, requiring no additional cryptographic cracking effort to reveal the original password or session token.
The operational impact of this vulnerability is severe, as it directly compromises user account integrity and potentially leads to broader organizational risk if users employ credential reuse across multiple services. An attacker who obtains these passwords can perform unauthorized actions on behalf of the victim, including accessing personal data, initiating financial transactions, or using compromised credentials to pivot into connected corporate networks via single sign-on mechanisms. This aligns with MITRE ATT&CK technique T1552.004, Unsecured Credentials, which describes how adversaries harvest information for lateral movement and persistence by targeting stored authentication materials. The breach of confidentiality undermines the fundamental security principle that sensitive data must remain protected even if other layers of defense are bypassed or compromised.
Mitigation strategies require an immediate architectural review to replace all instances of cleartext storage with industry-standard secure alternatives. Developers should implement platform-specific secure storage solutions, such as Android Keystore System or iOS Keychain Services, which ensure that cryptographic keys and sensitive data are stored in isolated environments protected by hardware-backed security features. If encryption is implemented manually, it must utilize strong algorithms like AES-GCM with random initialization vectors and securely managed key material derived from a master key bound to device-specific identifiers. Additionally, implementing certificate pinning for network communications ensures that even if local credentials are exposed, their utility in man-in-the-middle attacks is significantly reduced by validating server identities strictly. Regular security audits and static application security testing should be integrated into the development lifecycle to detect such misconfigurations before deployment.